configs: Migrate CONFIG_SYS_MAX_FLASH_BANKS to Kconfig

Use moveconfig.py script to convert define CONFIG_SYS_MAX_FLASH_BANKS
and CONFIG_SYS_MAX_FLASH_BANKS_DETECT to Kconfig and move these entries
to defconfigs.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
[trini: Re-switch to IS_ENABLED check in spi-nor-core.c, re-run migration]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/huawei_hg556a_ram_defconfig b/configs/huawei_hg556a_ram_defconfig
index 81a412b..1a0a13a 100644
--- a/configs/huawei_hg556a_ram_defconfig
+++ b/configs/huawei_hg556a_ram_defconfig
@@ -47,6 +47,7 @@
 CONFIG_CFI_FLASH=y
 CONFIG_SYS_FLASH_PROTECTION=y
 CONFIG_SYS_FLASH_CFI=y
+CONFIG_SYS_MAX_FLASH_BANKS_DETECT=y
 CONFIG_PHY_FIXED=y
 CONFIG_DM_ETH=y
 CONFIG_BCM6348_ETH=y