bootblock: Allow more timestamps in bootblock_main_with_timestamp()

This patch adds more parameters to bootblock_main_with_timestamp() to
give callers the opportunity to add additional timestamps that were
recorded in the platform-specific initialization phase.

Change-Id: Idf3a0fcf5aee88a33747afc69e055b95bd38750c
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/26339
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/soc/intel/apollolake/bootblock/bootblock.c

@@ -70,7 +70,7 @@ asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
 	enable_rtc_upper_bank();
 
 	/* Call lib/bootblock.c main */
-	bootblock_main_with_timestamp(base_timestamp);
+	bootblock_main_with_timestamp(base_timestamp, NULL, 0);
 }
 
 static void enable_pmcbar(void)