tqma6: add missing include

Add include needed to have prototype for board_spi_cs_gpio
Signed-off-by: NMarkus Niebel <Markus.Niebel@tq-group.com>

board/tqc/tqma6/tqma6.c

@@ -17,6 +17,7 @@
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/spi.h>
 #include <common.h>
 #include <fsl_esdhc.h>
 #include <libfdt.h>