b43: dma: Fix use true/false for bool type variable

mainline inclusion
from mainline-v5.5-rc1
commit a9160bb3
category: bugfix
bugzilla: 189835, https://gitee.com/src-openeuler/kernel/issues/I9HK94
CVE: CVE-2023-52644

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a9160bb35ad9ada8428a4d48426f7fc128db40cc



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use true/false for bool type variables assignment.

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Dong Chenchen <dongchenchen2@huawei.com>