soc/qualcomm/sc7180: Fix set but unused variables

This fixes clang warnings.

Change-Id: I407da6ec05ef646f61bd81e314fee1b5ea659192
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74557
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/src/soc/qualcomm/sc7180/display/disp.c b/src/soc/qualcomm/sc7180/display/disp.c
index 4ee6bec..5083165 100644
--- a/src/soc/qualcomm/sc7180/display/disp.c
+++ b/src/soc/qualcomm/sc7180/display/disp.c
@@ -7,9 +7,7 @@
 {
 	uint32_t hsync_period, vsync_period, hsync_start_x, hsync_end_x;
 	uint32_t display_hctl, hsync_ctl, display_vstart, display_vend;
-	uint32_t mdss_version;
 
-	mdss_version = read32(&mdss_hw->hw_version);
 	hsync_period = edid->mode.ha + edid->mode.hbl;
 	vsync_period = edid->mode.va + edid->mode.vbl;
 	hsync_start_x = edid->mode.hbl - edid->mode.hso;
diff --git a/src/soc/qualcomm/sc7180/display/dsi_phy.c b/src/soc/qualcomm/sc7180/display/dsi_phy.c
index a7b04a8..a43470d 100644
--- a/src/soc/qualcomm/sc7180/display/dsi_phy.c
+++ b/src/soc/qualcomm/sc7180/display/dsi_phy.c
@@ -536,8 +536,6 @@
 static unsigned long dsi_phy_calc_clk_divider(struct dsi_phy_configtype *phy_cfg)
 {
 	bool div_found = false;
-	uint32_t m_val = 1;
-	uint32_t n_val = 1;
 	uint32_t div_ctrl = 0;
 	uint32_t reg_val = 0;
 	uint32_t pll_post_div = 0;
@@ -556,9 +554,6 @@
 
 	dsi_phy_mnd_divider(phy_cfg);
 
-	m_val = phy_cfg->pclk_divnumerator;
-	n_val = phy_cfg->pclk_divdenominator;
-
 	/* Desired clock in MHz */
 	desired_bitclk_hz = (uint64_t)phy_cfg->desired_bitclk_freq;