Bluetooth: MGMT: Replace uses of bitmap_from_u64 with bitmap_from_arr32

From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

bitmap_from_u64 expects at least 8 bytes to be declared since it doesn't
take any parameter regarding the number of bits causing the following
warnings:

In file included from include/linux/cpumask.h:12,
                 from include/linux/mm_types_task.h:14,
                 from include/linux/mm_types.h:5,
                 from include/linux/buildid.h:5,
                 from include/linux/module.h:14,
                 from net/bluetooth/mgmt.c:27:
In function 'bitmap_copy',
    inlined from 'bitmap_copy_clear_tail' at include/linux/bitmap.h:270:2,
    inlined from 'bitmap_from_u64' at include/linux/bitmap.h:622:2,
    inlined from 'set_device_flags' at net/bluetooth/mgmt.c:4534:4:
include/linux/bitmap.h:261:9: warning: 'memcpy' forming offset [4, 7] is
out of the bounds [0, 4] of object 'flags' with type
'long unsigned int[1]' [-Warray-bounds]
  261 |         memcpy(dst, src, len);
      |         ^~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/kasan-checks.h:5,
                 from include/asm-generic/rwonce.h:26,
                 from ./arch/arm/include/generated/asm/rwonce.h:1,
                 from include/linux/compiler.h:248,
                 from include/linux/build_bug.h:5,
                 from include/linux/container_of.h:5,
                 from include/linux/list.h:5,
                 from include/linux/module.h:12,
                 from net/bluetooth/mgmt.c:27:
net/bluetooth/mgmt.c: In function 'set_device_flags':
net/bluetooth/mgmt.c:4532:40: note: 'flags' declared here
 4532 |                         DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS);
      |                                        ^~~~~
include/linux/types.h:11:23: note: in definition of macro 'DECLARE_BITMAP'
   11 |         unsigned long name[BITS_TO_LONGS(bits)]
      |                       ^~~~

In order to fix the above this replaces the uses of bitmap_from_u64 with
bitmap_from_arr32 wich does takes the properly take the number of bits.

Fixes: a9a347655d22 ("Bluetooth: MGMT: Add conditions for setting HCI_CONN_FLAG_REMOTE_WAKEUP")
Reported-By: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
 net/bluetooth/mgmt.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

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Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=642045

---Test result---

Test Summary:
CheckPatch                    FAIL      1.73 seconds
GitLint                       PASS      1.04 seconds
SubjectPrefix                 PASS      0.86 seconds
BuildKernel                   PASS      41.16 seconds
BuildKernel32                 PASS      35.46 seconds
Incremental Build with patchesPASS      47.01 seconds
TestRunner: Setup             PASS      580.07 seconds
TestRunner: l2cap-tester      PASS      19.69 seconds
TestRunner: bnep-tester       PASS      7.22 seconds
TestRunner: mgmt-tester       PASS      121.58 seconds
TestRunner: rfcomm-tester     PASS      11.36 seconds
TestRunner: sco-tester        PASS      10.91 seconds
TestRunner: smp-tester        PASS      10.89 seconds
TestRunner: userchan-tester   PASS      7.73 seconds

Details
##############################
Test: CheckPatch - FAIL - 1.73 seconds
Run checkpatch.pl script with rule in .checkpatch.conf
Bluetooth: MGMT: Replace uses of bitmap_from_u64 with bitmap_from_arr32\WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#111: 
 4532 |                         DECLARE_BITMAP(flags, __HCI_CONN_NUM_FLAGS);

WARNING:BAD_SIGN_OFF: 'Reported-by:' is the preferred signature form
#121: 
Reported-By: Stephen Rothwell <sfr@canb.auug.org.au>

total: 0 errors, 2 warnings, 0 checks, 27 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

/github/workspace/src/12851256.patch has style problems, please review.

NOTE: Ignored message types: UNKNOWN_COMMIT_ID

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.




---
Regards,
Linux Bluetooth