mxs: remove stale references to obsolete kernel module packages

Commit 29443e2 (mxs: remove modules.mk, select drivers in the kernel config)
missed to remove these references, so cleanup it now.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

target/linux/mxs/Makefile

@@ -22,6 +22,4 @@ endef
 
 include $(INCLUDE_DIR)/target.mk
 
-DEFAULT_PACKAGES += kmod-wdt-stmp3xxx
-
 $(eval $(call BuildTarget))

target/linux/mxs/profiles/01-duckbill.mk

@@ -10,8 +10,7 @@ define Profile/duckbill
   FEATURES+=usbgadget
   PACKAGES+= \
 	-dnsmasq -firewall -ppp -ip6tables -iptables -6relayd -mtd uboot-envtools \
-	kmod-leds-gpio kmod-ledtrig-timer kmod-usb-mxs-phy -kmod-ipt-nathelper \
-	kmod-i2c-mxs kmod-spi-mxs uboot-mxs-duckbill
+	kmod-leds-gpio kmod-ledtrig-timer -kmod-ipt-nathelper uboot-mxs-duckbill
 endef
 
 define Profile/duckbill/Description

target/linux/mxs/profiles/02-olinuxino-maxi.mk

@@ -8,10 +8,8 @@
 define Profile/olinuxino-maxi
   NAME:=Olimex OLinuXino Maxi/Mini boards
   PACKAGES += imx-bootlets uboot-mxs-mx23_olinuxino \
-	  kmod-usb-mxs-phy kmod-usb-net kmod-usb-net-smsc95xx \
-	  kmod-gpio-mcp23s08 kmod-leds-gpio kmod-ledtrig-heartbeat kmod-rtc-stmp3xxx \
-	  kmod-sound-core kmod-sound-soc-mxs kmod-iio-mxs-lradc kmod-crypto-hw-dcp \
-	  kmod-i2c-mxs kmod-spi-mxs
+	  kmod-usb-net kmod-usb-net-smsc95xx kmod-gpio-mcp23s08 \
+	  kmod-leds-gpio kmod-ledtrig-heartbeat kmod-sound-core
 endef
 
 define Profile/olinuxino-maxi/Description

target/linux/mxs/profiles/03-olinuxino-micro.mk

@@ -8,10 +8,7 @@
 define Profile/olinuxino-micro
   NAME:=Olimex OLinuXino Micro/Nano boards
   PACKAGES += imx-bootlets uboot-mxs-mx23_olinuxino \
-	  kmod-usb-mxs-phy kmod-gpio-mcp23s08 kmod-leds-gpio \
-	  kmod-ledtrig-heartbeat kmod-rtc-stmp3xxx \
-	  kmod-iio-mxs-lradc kmod-crypto-hw-dcp \
-	  kmod-i2c-mxs kmod-spi-mxs
+	  kmod-gpio-mcp23s08 kmod-leds-gpio kmod-ledtrig-heartbeat
 endef
 
 define Profile/olinuxino-micro/Description