phy: qcom-qmp: Add SW reset register

For V4 QMP UFS Phy, we need to assert reset bits, configure the phy and
then deassert it, so add the QPHY_SW_RESET register which does this.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Manu Gautam <mgautam@codeaurora.org>
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

drivers/phy/qualcomm/phy-qcom-qmp.c

@@ -168,6 +168,7 @@ static const unsigned int sdm845_ufsphy_regs_layout[] = {
 static const unsigned int sm8150_ufsphy_regs_layout[] = {
 	[QPHY_START_CTRL]		= QPHY_V4_PHY_START,
 	[QPHY_PCS_READY_STATUS]		= QPHY_V4_PCS_READY_STATUS,
+	[QPHY_SW_RESET]			= QPHY_V4_SW_RESET,
 };
 
 static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {