cns21xx: nuke 3.3 support

target/linux/cns21xx/config-3.3

...et/linux/cns21xx/patches-3.3/002-arm-debugll-printk.patch

...x/cns21xx/patches-3.3/003-arm-introduce-fa-platform.patch

target/linux/cns21xx/patches-3.3/004-arm-add-fa-time.patch

...inux/cns21xx/patches-3.3/005-arm-add-fa-gpio-driver.patch

.../cns21xx/patches-3.3/006-arm-add-fa-watchdog-driver.patch

target/linux/cns21xx/patches-3.3/100-cns21xx-core.patch

...inux/cns21xx/patches-3.3/101-cns21xx-serial-support.patch

...nux/cns21xx/patches-3.3/102-cns21xx-gpiolib-support.patch

...ux/cns21xx/patches-3.3/103-cns21xx-usb-ohci-support.patch

...ux/cns21xx/patches-3.3/104-cns21xx-usb-ehci-support.patch

...et/linux/cns21xx/patches-3.3/105-cns21xx-spi-driver.patch

...et/linux/cns21xx/patches-3.3/106-cns21xx-gec-driver.patch

...nux/cns21xx/patches-3.3/201-cns21xx-add-usb-devices.patch

...cns21xx/patches-3.3/202-cns21xx-add-watchdog-device.patch

...s21xx/patches-3.3/203-cns21xx-add-spi-master-device.patch

...inux/cns21xx/patches-3.3/204-cns21xx-add-gec-device.patch

.../linux/cns21xx/patches-3.3/301-cns21xx-mach-ns-k330.patch

.../linux/cns21xx/patches-3.3/302-cns21xx-mach-nsb3ast.patch