msm: mdss: fix phy_io base for ldo_cntrl

Due to wrong base io address, ldo_cntrl is not properly
configured. Fix this bug to get suspend/resume working.

Change-Id: I708d645f33a05a0bf8d68be0909c43fc628d293e
Signed-off-by: Huaibin Yang <huaibiny@codeaurora.org>