Makefile.inc: Drop unused `cbfs-files-processor-vsa`

VSA (Virtual System Architecture) is specific to AMD Geode CPUs, which
are no longer supported in current coreboot. Drop this remnant.

Change-Id: I28bf61cb953e3352b59aa91059341e4de8f84f23
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54360
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/Makefile.inc b/Makefile.inc
index ce70a30..da54e3b 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -308,16 +308,6 @@
 		mv $(2).tmp $(2))
 
 #######################################################################
-# Link VSA binary to ELF-ish stage
-# arg1: source file
-# arg2: binary file name
-cbfs-files-processor-vsa= \
-	$(eval $(2): $(1) ; \
-		printf "    CREATE     $(2) (from $(1))\n"; \
-		$(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
-		$(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
-
-#######################################################################
 # Reduce a .config file to its minimal representation
 # arg1: input
 # arg2: output