msm: camera_v3: eeprom: Fix OOB condition for memory map count

Fix OOB check for memory map count to access correct memory map.

Change-Id: Ib41d1582d8fb0dbdc0a2e3e09873a84d74f55bce
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>
Signed-off-by: Sridhar Gujje <sgujje@codeaurora.org>
Signed-off-by: Raja Mallik <rmallik@codeaurora.org>