board: stm32mp1: update fdt fixup partitions table

This patch adds "st,stm32mp1-fmc2-nfc" compatible string in the
fdt fixup partitions table.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 4d26738..c5da3d8 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -846,6 +846,7 @@
 		{ "st,stm32f469-qspi",		MTD_DEV_TYPE_NOR,  },
 		{ "st,stm32f469-qspi",		MTD_DEV_TYPE_SPINAND},
 		{ "st,stm32mp15-fmc2",		MTD_DEV_TYPE_NAND, },
+		{ "st,stm32mp1-fmc2-nfc",	MTD_DEV_TYPE_NAND, },
 	};
 
 	if (IS_ENABLED(CONFIG_FDT_FIXUP_PARTITIONS))