libpayload/libc/fmap: Implement new FlashMap API

This patch introduces new FlashMap API, the fmap_locate_area().
It works on cached FlashMap provided in lib_sysinfo.fmap_cache.

Change-Id: Idbf9016ce73aa58e17f3ee19920ab83dc6c25abb
Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59494
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

payloads/libpayload/include/libpayload.h

@@ -45,10 +45,11 @@
 #include <stdbool.h>
 #include <libpayload-config.h>
 #include <cbgfx.h>
+#include <commonlib/bsd/fmap_serialized.h>
 #include <ctype.h>
 #include <die.h>
 #include <endian.h>
-#include <fmap_serialized.h>
+#include <fmap.h>
 #include <ipchksum.h>
 #include <kconfig.h>
 #include <stddef.h>