Revert "msm: camera: isp: Dont enable Wm configurations during HW start"

This reverts commit c3547a27.
This change is reverted as it results in bus error
during EPCR disabled case in some targets. The actual fix
for the pagefault is merged through commit '74b97674
("msm: camera: isp: Change logic of acquiring dual
 composite group")'.

CRs-Fixed: 3170082
Change-Id: I3a3bb053a3d22dac5e13b83181a5e5c8e9922c80
Signed-off-by: Nirmal Abraham <quic_c_nabrah@quicinc.com>