stm32mp1: update device tree and gpio functions

Change fdt_check_status function to fdt_get_status.
Update GPIO defines.
Move some functions in gpio driver, instead of dt helper file.
Add GPIO bank helper functions.
Use only one status field in dt_node_info structure including both status
and secure status.

Change-Id: I34f93408dd4aac16ae722f564bc3f7d6ae978cf4
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
diff --git a/drivers/st/mmc/stm32_sdmmc2.c b/drivers/st/mmc/stm32_sdmmc2.c
index 453455c..57812d8 100644
--- a/drivers/st/mmc/stm32_sdmmc2.c
+++ b/drivers/st/mmc/stm32_sdmmc2.c
@@ -17,6 +17,7 @@
 #include <common/debug.h>
 #include <drivers/delay_timer.h>
 #include <drivers/mmc.h>
+#include <drivers/st/stm32_gpio.h>
 #include <drivers/st/stm32_sdmmc2.h>
 #include <drivers/st/stm32mp1_clk.h>
 #include <drivers/st/stm32mp1_rcc.h>
@@ -642,7 +643,7 @@
 		return -FDT_ERR_NOTFOUND;
 	}
 
-	if (fdt_check_status(sdmmc_node) == 0) {
+	if (fdt_get_status(sdmmc_node) == DT_DISABLED) {
 		return -FDT_ERR_NOTFOUND;
 	}