soc/mediatek/i2c.c: Remove unused variables

Change-Id: Iaa643feb76530cc74acf4d714d8a7f96709be1cf
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63023
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
diff --git a/src/soc/mediatek/common/i2c.c b/src/soc/mediatek/common/i2c.c
index b4386b9..ab7b0de 100644
--- a/src/soc/mediatek/common/i2c.c
+++ b/src/soc/mediatek/common/i2c.c
@@ -496,7 +496,6 @@
 	uint32_t max_clk_div = MAX_CLOCK_DIV;
 	uint32_t clk_src, clk_div, step_cnt, sample_cnt;
 	uint32_t l_step_cnt, l_sample_cnt;
-	uint32_t timing_reg_value, ltiming_reg_value;
 	struct mtk_i2c *bus_ctrl;
 
 	if (bus >= I2C_BUS_NUMBER) {
@@ -516,27 +515,19 @@
 						    &l_step_cnt, &l_sample_cnt))
 				continue;
 
-			timing_reg_value = (l_sample_cnt << 8) | l_step_cnt;
-
 			/* Set the high speed mode register */
 			if (mtk_i2c_calculate_speed(bus, clk_src, speed,
 						    &step_cnt, &sample_cnt))
 				continue;
 
-			ltiming_reg_value = (l_sample_cnt << 6) | l_step_cnt |
-					    (sample_cnt << 12) | (step_cnt << 9);
 			bus_ctrl->ac_timing.inter_clk_div = (clk_div - 1) << 8 | (clk_div - 1);
 		} else {
 			if (mtk_i2c_calculate_speed(bus, clk_src, speed,
 						    &l_step_cnt, &l_sample_cnt))
 				continue;
 
-			timing_reg_value = (l_sample_cnt << 8) | l_step_cnt;
-
 			/* Disable the high speed transaction */
 			bus_ctrl->ac_timing.hs = I2C_TIME_CLR_VALUE;
-
-			ltiming_reg_value = (l_sample_cnt << 6) | l_step_cnt;
 		}
 
 		break;