flashrom: Check all mmap() calls and print helpful Linux error message.

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3890 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

util/flashrom/cbtable.c

@@ -191,6 +191,7 @@ int coreboot_init(void)
 		       0x00000000);
 	if (low_1MB == MAP_FAILED) {
 		perror("Can't mmap memory using " MEM_DEV);
+		mmap_errmsg();
 		exit(-2);
 	}
 	lb_table = 0;