Replace ENV_RAMSTAGE with ENV_PAYLOAD_LOADER

This patch relying on new rule, ENV_PAYLOAD_LOADER which is set
to ENV_RAMSTAGE.

This approach will help to add future optimization (rampayload) in
coreboot flow if required.

Change-Id: Ib54ece7b9e5f281f8a092dc6f38c07406edfa5fa
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32725
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: ron minnich <rminnich@gmail.com>

src/include/memlayout.h

@@ -39,9 +39,13 @@
 #define ARCH_STAGE_HAS_BSS_SECTION 1
 #endif
 
-/* Default is that currently ramstage, smm, and rmodules have a heap. */
+/*
+ * Default is that currently ENV_PAYLOAD_LOADER enable stage, smm,
+ * and rmodules have a heap.
+ */
 #ifndef ARCH_STAGE_HAS_HEAP_SECTION
-#define ARCH_STAGE_HAS_HEAP_SECTION (ENV_RAMSTAGE || ENV_SMM || ENV_RMODULE)
+#define ARCH_STAGE_HAS_HEAP_SECTION (ENV_PAYLOAD_LOADER || ENV_SMM || \
+		ENV_RMODULE)
 #endif
 
 #define STR(x) #x