mmc: sdhci-msm: add offset to CQ_CMD_DEBUG_RAM_x registers access

Starting from MCI_VERSION 4.2.0 use a different offset for the
following registers:
PERIPH_SS_SDC1_SDCC_HC_CMDQ_COMMAND_DEBUG_RAM_n
PERIPH_SS_SDC1_SDCC_HC_CMDQ_COMMAND_DEBUG_RAM_WRAPAROUND
PERIPH_SS_SDC1_SDCC_HC_CMDQ_COMMAND_DEBUG_RAM_OVERLAP.

Change-Id: I0a7789c82483be721868f0b51b21992ba8591ba3
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>
Signed-off-by: Xiaonian Wang <xiaonian@codeaurora.org>
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>
Signed-off-by: Ram Prakash Gupta <rampraka@codeaurora.org>