disp: msm: dsi: add support for phy/pll bypass

This change adds support for bypassing hw access in DSI PHY/PLL
drivers which enables the DSI driver to run on emulation
platforms that might be missing those modules.

Change-Id: I3e83155a79d60f2357606746214d776cefabd651
Signed-off-by: Rajkumar Subbiah <quic_rsubbia@quicinc.com>
Signed-off-by: Shamika Joshi <quic_shamjosh@quicinc.com>
Signed-off-by: Alex Danila <quic_eadanila@quicinc.com>

msm/dsi/dsi_pll_4nm.c

@@ -548,6 +548,9 @@ static int dsi_pll_4nm_lock_status(struct dsi_pll_resource *pll)
 	u32 const delay_us = 100;
 	u32 const timeout_us = 5000;
 
+	if (pll->phy_pll_bypass)
+		return 0;
+
 	rc = DSI_READ_POLL_TIMEOUT_ATOMIC_GEN(pll->pll_base, pll->index, PLL_COMMON_STATUS_ONE,
 				       status,
 				       ((status & BIT(0)) > 0),