arm64: configs: Support pwrap on Mediatek MT6779 platform

Support pwrap on Mediatek MT6779 platform by enabling CONFIG_MTK_PMIC_WRAP.
Signed-off-by: Argus Lin <argus.lin@mediatek.com>
Link: https://lore.kernel.org/r/1609747703-27207-3-git-send-email-argus.lin@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/configs/defconfig

@@ -479,6 +479,7 @@ CONFIG_SPI_S3C64XX=y
 CONFIG_SPI_SH_MSIOF=m
 CONFIG_SPI_SUN6I=y
 CONFIG_SPI_SPIDEV=m
+CONFIG_MTK_PMIC_WRAP=m
 CONFIG_SPMI=y
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_PINCTRL_MAX77620=y