kernel: add support for 4.12

Signed-off-by: Thomas Klaehn <tkl@blackfinn.de>

recipes-kernel/linux/linux-yocto_4.12.bbappend

@@ -0,0 +1,17 @@
+LICENSE = "GPLv2"
+LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
+
+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+
+SRC_URI += " \
+	file://rtl8192cu.cfg \
+	file://enable_pwm.cfg \
+	file://enable_onboard_leds.cfg \
+	file://0003-bbb-enable-pwm.patch \
+	file://0002-onboard-led-init-disable.patch \
+"
+
+KERNEL_CONFIG_FRAGMENTS_append_ti33x = " \
+  ${WORKDIR}/rtl8192cu.cfg \
+  ${WORKDIR}/enable_pwm.cfg \
+"