fsp1_0: Fix broken logic when searching for FSP

Commit 47818b4d60
(fsp/cache_as_ram.inc and boards: Fix incorrect usage of POST_IO)
breaks the logic which decides whether FSP
could be found or not in cache_as_ram.inc.
Fix the error by inverting the logic of the test.

TEST=Bootet mc_tcu3 board

Change-Id: I993d3422ac406d204a53e4dc890210fb9a52469d
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: http://review.coreboot.org/11806
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/drivers/intel/fsp1_0/cache_as_ram.inc

@@ -51,8 +51,8 @@ find_fsp_ret:
 	/* Save the FSP location */
 	mov   %eax,   %ebp
 	cmp   $CONFIG_FSP_LOC, %eax
-	je    find_fsp_ok
-	add   $0xb0, %eax
+	jae   find_fsp_ok
+	mov   $0xb0, %eax
 	jmp   .Lhlt
 
 find_fsp_ok: