bootmode: Get rid of CONFIG_BOOTMODE_STRAPS

With VBOOT_VERIFY_FIRMWARE separated from CHROMEOS, move recovery and
developer mode check functions to vboot. Thus, get rid of the
BOOTMODE_STRAPS option which controlled these functions under src/lib.

BUG=chrome-os-partner:55639

Change-Id: Ia2571026ce8976856add01095cc6be415d2be22e
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15868
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/intel/broadwell/romstage/raminit.c b/src/soc/intel/broadwell/romstage/raminit.c
index 488b231..61b1bc9 100644
--- a/src/soc/intel/broadwell/romstage/raminit.c
+++ b/src/soc/intel/broadwell/romstage/raminit.c
@@ -48,7 +48,7 @@
 
 	broadwell_fill_pei_data(pei_data);
 
-	if (recovery_mode_enabled()) {
+	if (vboot_recovery_mode_enabled()) {
 		/* Recovery mode does not use MRC cache */
 		printk(BIOS_DEBUG, "Recovery mode: not using MRC cache.\n");
 	} else if (!mrc_cache_get_current(&cache)) {