[PTCH -next] spi: fix spi-at91-usart.c build errors when PINCTRL is not set

From: Randy Dunlap Fix build errors when CONFIG_PINCTRL is not enabled. The header file handles both CONFIG_PINCTRL enabled and disabled cases. CC [M] drivers/spi/spi-at91-usart.o ../drivers/spi/spi-at91-usart.c: In function 'at91_usart_spi_runtime_suspend':

[PTCH -next] spi: fix spi-at91-usart.c build errors when PINCTRL is not set

From: Randy Dunlap Fix build errors when CONFIG_PINCTRL is not enabled. The header file handles both CONFIG_PINCTRL enabled and disabled cases. CC [M] drivers/spi/spi-at91-usart.o ../drivers/spi/spi-at91-usart.c: In function 'at91_usart_spi_runtime_suspend':