bootcount: spl: Extend SPL to support bootcount incrementation

This patch adds support for incrementation of the bootcount in SPL.
Such feature is necessary when we do want to use this feature with
'falcon' boot mode (which loads OS directly in SPL).

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/common/spl/spl.c b/common/spl/spl.c
index 3dafeae..6606417 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -19,6 +19,7 @@
 #include <dm/root.h>
 #include <linux/compiler.h>
 #include <fdt_support.h>
+#include <bootcount.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -416,6 +417,8 @@
 	spl_board_init();
 #endif
 
+	bootcount_inc();
+
 	memset(&spl_image, '\0', sizeof(spl_image));
 #ifdef CONFIG_SYS_SPL_ARGS_ADDR
 	spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;