lib: fix selection of CONFIG_CHARSET

lib/charset.c is not optional for
EFI_APP || EFI_LOADER || UFS || UT_UNICODE.
These must select CONFIG_CHARSET.

Fixes: 726cd9836d ("efi: Make unicode printf available to the app")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

drivers/ufs/Kconfig

@@ -3,6 +3,7 @@ menu "UFS Host Controller Support"
 config UFS
 	bool "Support UFS controllers"
 	depends on DM_SCSI
+	select CHARSET
 	help
 	  This selects support for Universal Flash Subsystem (UFS).
 	  Say Y here if you want UFS Support.

lib/Kconfig

@@ -52,11 +52,6 @@ config CC_OPTIMIZE_LIBS_FOR_SPEED
 
 config CHARSET
 	bool
-	default y if UT_UNICODE || EFI_LOADER || UFS || EFI_APP
-	help
-	  Enables support for various conversions between different
-	  character sets, such as between unicode representations and
-	  different 'code pages'.
 
 config DYNAMIC_CRC_TABLE
 	bool "Enable Dynamic tables for CRC"

lib/efi/Kconfig

@@ -14,6 +14,7 @@ choice
 
 config EFI_APP
 	bool "Support running as an EFI application"
+	select CHARSET
 	help
 	  Build U-Boot as an application which can be started from EFI. This
 	  is useful for examining a platform in the early stages of porting

lib/efi_loader/Kconfig

@@ -14,6 +14,7 @@ config EFI_LOADER
 	depends on DM_ETH || !NET
 	depends on !EFI_APP
 	default y if !ARM || SYS_CPU = armv7 || SYS_CPU = armv8
+	select CHARSET
 	select DM_EVENT
 	select EVENT_DYNAMIC
 	select LIB_UUID

test/Kconfig

@@ -91,6 +91,7 @@ config UT_UNICODE
 	bool "Unit tests for Unicode functions"
 	depends on UNIT_TEST
 	default y
+	select CHARSET
 	help
 	  Enables the 'ut unicode' command which tests that the functions for
 	  manipulating Unicode strings work correctly.