Convert CONFIG_SYS_BOOTCOUNT_LE et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_BOOTCOUNT_LE
   CONFIG_SYS_BOOTCOUNT_BE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/kmtegr1_defconfig b/configs/kmtegr1_defconfig
index f1791a0..19cb1e8 100644
--- a/configs/kmtegr1_defconfig
+++ b/configs/kmtegr1_defconfig
@@ -161,6 +161,7 @@
 CONFIG_BOOTCOUNT_LIMIT=y
 CONFIG_DM_BOOTCOUNT=y
 CONFIG_BOOTCOUNT_MEM=y
+CONFIG_SYS_BOOTCOUNT_BE=y
 CONFIG_SYS_BR0_PRELIM_BOOL=y
 CONFIG_SYS_BR0_PRELIM=0xF0001001
 CONFIG_SYS_OR0_PRELIM=0xF0000E55