configs: pumpkin_android: set CONFIG_MTK_ANDROID=y

As this defconfig is Android specific, we should enable Android support
by default.

Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
diff --git a/configs/pumpkin_android_defconfig b/configs/pumpkin_android_defconfig
index 1e38d9b..4e91736 100644
--- a/configs/pumpkin_android_defconfig
+++ b/configs/pumpkin_android_defconfig
@@ -4,6 +4,7 @@
 CONFIG_SYS_TEXT_BASE=0x4C000000
 CONFIG_SYS_MALLOC_F_LEN=0x4000
 CONFIG_TARGET_MT8516=y
+CONFIG_MTK_ANDROID=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_DEBUG_UART_BASE=0x11005000
 CONFIG_DEBUG_UART_CLOCK=26000000