This converts the following to Kconfig: CONFIG_AT91_EFLASH Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Stefan Roese <sr@denx.de> Acked-by: Eugen Hristev <eugen.hristev@microchip.com>