x86: Keep symbol information in u-boot ELF file

At present this information is stripped when linking. It is useful to keep
it around. Strip it from the .efi files instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/arch/x86/config.mk b/arch/x86/config.mk
index 7a82425..589f2ae 100644
--- a/arch/x86/config.mk
+++ b/arch/x86/config.mk
@@ -37,7 +37,7 @@
 LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined -s
 
 OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \
-	-j .rel -j .rela -j .reloc
+	-j .rel -j .rela -j .reloc --strip-all
 
 # Compiler flags to be added when building UEFI applications
 CFLAGS_EFI := -fpic -fshort-wchar
@@ -65,7 +65,7 @@
 ifeq ($(CONFIG_EFI_APP),y)
 
 PLATFORM_CPPFLAGS += $(CFLAGS_EFI)
-LDFLAGS_FINAL += -znocombreloc -shared -s
+LDFLAGS_FINAL += -znocombreloc -shared
 LDSCRIPT := $(LDSCRIPT_EFI)
 
 else