include/console: Fix duplicate entry of postcode 0x79

Change POST_PRE_HARDWAREMAIN postcode value from 0x79 to 0x6e to
avoid duplicate entry.

Change-Id: I50cc75cd3097fba3e7faff05188511bba69ef1e7
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52895
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
diff --git a/src/arch/x86/c_start.S b/src/arch/x86/c_start.S
index 19532d8..f55ab6e 100644
--- a/src/arch/x86/c_start.S
+++ b/src/arch/x86/c_start.S
@@ -89,7 +89,7 @@
 	 *	bss is cleared.   Now we call the main routine and
 	 *	let it do the rest.
 	 */
-	post_code(POST_PRE_HARDWAREMAIN)	/* post fe */
+	post_code(POST_PRE_HARDWAREMAIN)	/* post 6e */
 
 	andl	$0xFFFFFFF0, %esp