haswell: remove unused sys_info structure

This structure is not used nor the variable being instantiated on the
stack. Remove them.

Change-Id: If3abe2dd77104eff49665dd33570b07179bf34f5
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2753
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/northbridge/intel/haswell/raminit.c

@@ -147,15 +147,10 @@ static void report_memory_config(void)
  */
 void sdram_initialize(struct pei_data *pei_data)
 {
-	struct sys_info sysinfo;
 	unsigned long entry;
 
 	printk(BIOS_DEBUG, "Starting UEFI PEI System Agent\n");
 
-	memset(&sysinfo, 0, sizeof(sysinfo));
-
-	sysinfo.boot_path = pei_data->boot_mode;
-
 	/*
 	 * Do not pass MRC data in for recovery mode boot,
 	 * Always pass it in for S3 resume.