MIPS: ath79: add support for the Qualcomm Atheros AP136-010 board

Also enable the board in the default configuration.

Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4953/
Signed-off-by: John Crispin <blogic@openwrt.org>
diff --git a/arch/mips/configs/ath79_defconfig b/arch/mips/configs/ath79_defconfig
index ea87d43..e3a3836 100644
--- a/arch/mips/configs/ath79_defconfig
+++ b/arch/mips/configs/ath79_defconfig
@@ -1,5 +1,6 @@
 CONFIG_ATH79=y
 CONFIG_ATH79_MACH_AP121=y
+CONFIG_ATH79_MACH_AP136=y
 CONFIG_ATH79_MACH_AP81=y
 CONFIG_ATH79_MACH_DB120=y
 CONFIG_ATH79_MACH_PB44=y