AT91: Drop AT91_SPIMUX command from cmd_all

$ git grep AT91_SPIMUX
include/config_cmd_all.h:#define CONFIG_CMD_AT91_SPIMUX /* AT91 MMC/SPI Mux Support     */

It isn't used anywhere it seems.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Acked-by: Anatolij Gustschin <agust@denx.de>
1 file changed