stm32mp1: Add support for SPI-NOR boot device

STM32MP1 platform is able to boot from SPI-NOR devices.
These modifications add this support using the new
SPI-NOR framework.

Change-Id: I75ff9eba4661f9fb87ce24ced2bacbf8558ebe44
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
diff --git a/plat/st/stm32mp1/include/stm32mp1_boot_device.h b/plat/st/stm32mp1/include/stm32mp1_boot_device.h
index db80f93..a745983 100644
--- a/plat/st/stm32mp1/include/stm32mp1_boot_device.h
+++ b/plat/st/stm32mp1/include/stm32mp1_boot_device.h
@@ -9,8 +9,10 @@
 
 #include <drivers/raw_nand.h>
 #include <drivers/spi_nand.h>
+#include <drivers/spi_nor.h>
 
 int plat_get_raw_nand_data(struct rawnand_device *device);
 int plat_get_spi_nand_data(struct spinand_device *device);
+int plat_get_nor_data(struct nor_device *device);
 
 #endif /* STM32MP1_BOOT_DEVICE_H */