libpayload: Move base address, stack and heap size to Kconfig

This will allow more payloads to use the standard linker script
instead of implementing their own.

Change-Id: Ie60120769829f427ceb722109d85859b61dbde31
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/14074
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

payloads/libpayload/bin/lpgcc

@@ -187,6 +187,10 @@ else
             _LDFLAGS="$_LDFLAGS -Wl,--fix-cortex-a53-843419"
     fi
 
+    _LDFLAGS="$_LDFLAGS -Wl,--defsym=CONFIG_LP_BASE_ADDRESS=$CONFIG_LP_BASE_ADDRESS"
+    _LDFLAGS="$_LDFLAGS -Wl,--defsym=CONFIG_LP_HEAP_SIZE=$CONFIG_LP_HEAP_SIZE"
+    _LDFLAGS="$_LDFLAGS -Wl,--defsym=CONFIG_LP_STACK_SIZE=$CONFIG_LP_STACK_SIZE"
+
     if [ $DEBUGME -eq 1 ]; then
 	echo "$DEFAULT_CC $_LDFLAGS $HEAD_O $CMDLINE $_CFLAGS -lpayload $_LIBGCC"
     fi