disk: convert CONFIG_ISO_PARTITION to Kconfig

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay73@gmail.com>
diff --git a/configs/vct_premium_small_defconfig b/configs/vct_premium_small_defconfig
index 18d8b42..ed8ffb6 100644
--- a/configs/vct_premium_small_defconfig
+++ b/configs/vct_premium_small_defconfig
@@ -17,4 +17,5 @@
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
+# CONFIG_ISO_PARTITION is not set
 CONFIG_SYS_NS16550=y