binman: arm: Include the binman symbol table

This area of the image contains symbols whose values are filled in by
binman. If this feature is not used, the table is empty.

Add this to the ARM SPL link script.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/config.mk

@@ -136,10 +136,12 @@ endif
 # limit ourselves to the sections we want in the .bin.
 ifdef CONFIG_ARM64
 OBJCOPYFLAGS += -j .text -j .secure_text -j .secure_data -j .rodata -j .data \
-		-j .u_boot_list -j .rela.dyn -j .got -j .got.plt
+		-j .u_boot_list -j .rela.dyn -j .got -j .got.plt \
+		-j .binman_sym_table
 else
 OBJCOPYFLAGS += -j .text -j .secure_text -j .secure_data -j .rodata -j .hash \
-		-j .data -j .got -j .got.plt -j .u_boot_list -j .rel.dyn
+		-j .data -j .got -j .got.plt -j .u_boot_list -j .rel.dyn \
+		-j .binman_sym_table
 endif
 
 # if a dtb section exists we always have to include it

arch/arm/cpu/u-boot-spl.lds

@@ -37,6 +37,13 @@ SECTIONS
 	}
 
 	. = ALIGN(4);
+	.binman_sym_table : {
+		__binman_sym_start = .;
+		KEEP(*(SORT(.binman_sym*)));
+		__binman_sym_end = .;
+	}
+
+	. = ALIGN(4);
 
 	__image_copy_end = .;