scsi: ufs: core: Move the ufshcd_enable_intr() declaration

scsi: ufs: core: Move the ufshcd_enable_intr() declaration

[ Upstream commit b30006b5bec1dcba207bc42e7f7cd96a568acc27 ]

ufshcd_enable_intr() is not exported and hence should not be declared in
include/ufs/ufshcd.h.

Fixes: 253757797973 ("scsi: ufs: core: Change MCQ interrupt enable flow")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Link: https://patch.msgid.link/20251014200118.3390839-7-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>