wtm2: build-time dev and recovery settings

It's helpful to switch back and forth for developer and
recovery settings while testing boards. The wtm2 board
currently doesn't have gpios which dynamically seelect that.
Might as well make it easy to change the value for each
setting with one define. The original defaults are kept.

Change-Id: I7b928c592fd20a1b847e4733f4cdef09d6ddad4c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2861
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/mainboard/intel/wtm2/chromeos.c b/src/mainboard/intel/wtm2/chromeos.c
index 7cc0ef4..385791d 100644
--- a/src/mainboard/intel/wtm2/chromeos.c
+++ b/src/mainboard/intel/wtm2/chromeos.c
@@ -24,6 +24,10 @@
 #include <device/pci.h>
 #include <southbridge/intel/lynxpoint/pch.h>
 
+/* Compile-time settings for developer and recovery mode. */
+#define DEV_MODE_SETTING 1
+#define REC_MODE_SETTING 0
+
 #ifndef __PRE_RAM__
 #include <boot/coreboot_tables.h>
 #include <arch/coreboot_tables.h>
@@ -54,8 +58,8 @@
 
 	gpio = gpios->gpios;
 	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "write protect", 0);
-	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery", 0); // force off
-	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer", 1); // force on
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery", REC_MODE_SETTING);
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer", DEV_MODE_SETTING);
 	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid", 1); // force open
 	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
 	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", oprom_is_loaded);
@@ -64,12 +68,12 @@
 
 int get_developer_mode_switch(void)
 {
-	return 1; // force on
+	return DEV_MODE_SETTING;
 }
 
 int get_recovery_mode_switch(void)
 {
-	return 0; // force off
+	return REC_MODE_SETTING;
 }
 
 int get_write_protect_state(void)