efi: Drop CONFIG_SYS_TEXT_BASE for EFI

When U-Boot runs as an EFI application is does not have a definition of
CONFIG_SYS_TEXT_BASE. U-Boot is a relocatable application and the relocation
is done by EFI. U-Boot can be loaded at any address.

Ensure that this CONFIG option is not set in this case.

Signed-off-by: Ben Stoltz <stoltz@google.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Kconfig

@@ -179,6 +179,7 @@ config SYS_EXTRA_OPTIONS
 
 config SYS_TEXT_BASE
 	depends on SPARC || ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP
+	depends on !EFI_APP
 	hex "Text Base"
 	help
 	  TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture