mainboard/asus: Increase reboot count on boards with recovery jumper

On server boards with a recovery jumper, having the fallback path
less sensitive to power fluctuations or BMC issues makes sense.

Increase the maximum number of boot attempts before automatic
fallback to 10 on these boards.

Change-Id: Iabe0b0cbf332686db8e9380a8b65a1477173599c
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12320
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/mainboard/asus/kfsn4-dre/Kconfig

@@ -93,4 +93,8 @@ config MAINBOARD_POWER_ON_AFTER_POWER_FAIL
 	bool
 	default y
 
+config MAX_REBOOT_CNT
+	int
+	default 10
+
 endif # BOARD_ASUS_KFSN4_DRE

src/mainboard/asus/kfsn4-dre_k8/Kconfig

@@ -98,4 +98,8 @@ config MAINBOARD_POWER_ON_AFTER_POWER_FAIL
 	bool
 	default y
 
+config MAX_REBOOT_CNT
+	int
+	default 10
+
 endif # BOARD_ASUS_KFSN4_DRE_K8

src/mainboard/asus/kgpe-d16/Kconfig

@@ -88,4 +88,8 @@ config MAINBOARD_POWER_ON_AFTER_POWER_FAIL
 	bool
 	default y
 
+config MAX_REBOOT_CNT
+	int
+	default 10
+
 endif # BOARD_ASUS_KGPE_D16