disk: convert CONFIG_PARTITION_TYPE_GUID to Kconfig

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay73@gmail.com>
diff --git a/disk/Kconfig b/disk/Kconfig
index 268fb83..16ff52d 100644
--- a/disk/Kconfig
+++ b/disk/Kconfig
@@ -97,4 +97,12 @@
 	depends on SPL && PARTITIONS
 	default y if SPL_EFI_PARTITION
 
+config PARTITION_TYPE_GUID
+	bool "Enable support of GUID for partition type"
+	depends on PARTITIONS
+	depends on EFI_PARTITION
+	help
+	  Activate the configuration of GUID type
+	  for EFI partition
+
 endmenu