mtd: spi-nor-core: Check for ctrlc() in spi_nor_erase()

May it possible to interrupt the spi_nor_erase() function.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
1 file changed