drivers: spi: remove dead references to CONFIG_SPI_QMSI{_SS}

During the spi rework we removed the qmsi spi drivers so we no longer
have Kconfig symbols or drivers related to CONFIG_SPI_QMSI{_SS}.  There
are a few references still around that we should remove

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>

Author: galak

ext/hal/qmsi/CMakeLists.txt

@@ -65,7 +65,5 @@ zephyr_library_sources_ifdef(CONFIG_PWM_QMSI             drivers/pwm/qm_pwm.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_QMSI             drivers/rtc/qm_rtc.c)
 zephyr_library_sources_ifdef(CONFIG_SOC_FLASH_QMSI       drivers/flash/qm_flash.c)
 zephyr_library_sources_ifdef(CONFIG_SOC_WATCH            drivers/soc_watch.c)
-zephyr_library_sources_ifdef(CONFIG_SPI_QMSI             drivers/spi/qm_spi.c)
-zephyr_library_sources_ifdef(CONFIG_SPI_QMSI_SS          drivers/spi/qm_ss_spi.c)
 zephyr_library_sources_ifdef(CONFIG_UART_QMSI            drivers/uart/qm_uart.c)
 zephyr_library_sources_ifdef(CONFIG_WDT_QMSI             drivers/wdt/qm_wdt.c)

samples/net/wifi/boards/quark_se_c1000_devboard.conf

@@ -1,7 +1,6 @@
 CONFIG_GPIO=y
 CONFIG_SPI=y
 
-CONFIG_SPI_QMSI=n
 CONFIG_SPI_DW=y
 
 CONFIG_WIFI_WINC1500=y

tests/drivers/spi/spi_loopback/boards/quark_se_c1000_devboard.conf

@@ -1,5 +1,4 @@
 CONFIG_GPIO=y
-CONFIG_SPI_QMSI=n
 CONFIG_SPI_DW=y
 CONFIG_SPI_LOOPBACK_SLOW_FREQ=128000
 CONFIG_SPI_LOOPBACK_SLAVE_NUMBER=1