nb/intel/x4x: Remove variable set but not used

Change-Id: I142ae6f7806b3f57b98a158e8f26592aed8fa452
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32939
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/x4x/raminit_ddr23.c b/src/northbridge/intel/x4x/raminit_ddr23.c
index f172623..422b0ff 100644
--- a/src/northbridge/intel/x4x/raminit_ddr23.c
+++ b/src/northbridge/intel/x4x/raminit_ddr23.c
@@ -1317,7 +1317,6 @@
 void send_jedec_cmd(const struct sysinfo *s, u8 r, u8 ch, u8 cmd, u32 val)
 {
 	u32 addr = test_address(ch, r);
-	volatile u32 rubbish;
 	u8 data8 = cmd;
 	u32 data32;
 
@@ -1337,7 +1336,7 @@
 	}
 	data32 <<= 3;
 
-	rubbish = read32((void *)((data32 | addr)));
+	read32((void *)((data32 | addr)));
 	udelay(10);
 	MCHBAR8_AND_OR(0x271, ~0x3e, NORMALOP_CMD);
 	MCHBAR8_AND_OR(0x671, ~0x3e, NORMALOP_CMD);