ARM: uniphier: change UNIPHIER_SERIAL to default y option

This is very likely to be necessary for normal use cases.
Set its default to 'y' for shorter defconfig files.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

configs/uniphier_ld11_defconfig

@@ -25,7 +25,6 @@ CONFIG_MISC=y
 CONFIG_I2C_EEPROM=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
-CONFIG_UNIPHIER_SERIAL=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y

configs/uniphier_ld20_defconfig

@@ -26,7 +26,6 @@ CONFIG_I2C_EEPROM=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
-CONFIG_UNIPHIER_SERIAL=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_STORAGE=y

configs/uniphier_ld4_sld8_defconfig

@@ -31,7 +31,6 @@ CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8
 CONFIG_SPL_NAND_DENALI=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
-CONFIG_UNIPHIER_SERIAL=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y

configs/uniphier_pro4_defconfig

@@ -30,7 +30,6 @@ CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8
 CONFIG_SPL_NAND_DENALI=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
-CONFIG_UNIPHIER_SERIAL=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_STORAGE=y

configs/uniphier_pxs2_ld6b_defconfig

@@ -31,7 +31,6 @@ CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8
 CONFIG_SPL_NAND_DENALI=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
-CONFIG_UNIPHIER_SERIAL=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_STORAGE=y

configs/uniphier_sld3_defconfig

@@ -29,7 +29,6 @@ CONFIG_NAND_DENALI=y
 CONFIG_SYS_NAND_DENALI_64BIT=y
 CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8
 CONFIG_SPL_NAND_DENALI=y
-CONFIG_UNIPHIER_SERIAL=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y

drivers/serial/Kconfig

@@ -344,6 +344,7 @@ config SANDBOX_SERIAL
 config UNIPHIER_SERIAL
 	bool "Support for UniPhier on-chip UART"
 	depends on ARCH_UNIPHIER
+	default y
 	help
 	  If you have a UniPhier based board and want to use the on-chip
 	  serial ports, say Y to this option. If unsure, say N.