ipq806x: add ethernet (stmmac) support

We forgot to enable the stmmac driver for 4.1 kernel, so ethernet
interfaces don't show-up on this kernel.

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>

SVN-Revision: 46559

target/linux/ipq806x/config-4.1

@@ -271,6 +271,7 @@ CONFIG_MUTEX_SPIN_ON_OWNER=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEON=y
 CONFIG_NET_FLOW_LIMIT=y
+CONFIG_NET_PTP_CLASSIFY=y
 CONFIG_NET_VENDOR_WIZNET=y
 CONFIG_NO_BOOTMEM=y
 CONFIG_NO_HZ=y
@@ -332,12 +333,14 @@ CONFIG_POWER_RESET=y
 # CONFIG_POWER_RESET_BRCMSTB is not set
 CONFIG_POWER_RESET_MSM=y
 CONFIG_POWER_SUPPLY=y
+CONFIG_PPS=y
 CONFIG_PREEMPT=y
 CONFIG_PREEMPT_COUNT=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_RCU=y
 CONFIG_PRINTK_TIME=y
 CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_PTP_1588_CLOCK=y
 CONFIG_QCOM_BAM_DMA=y
 CONFIG_QCOM_GSBI=y
 CONFIG_QCOM_HFPLL=y
@@ -379,6 +382,8 @@ CONFIG_SPI_QUP=y
 CONFIG_SPMI=y
 CONFIG_SPMI_MSM_PMIC_ARB=y
 CONFIG_SRCU=y
+CONFIG_STMMAC_ETH=y
+CONFIG_STMMAC_PLATFORM=y
 CONFIG_STOP_MACHINE=y
 # CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_SUSPEND=y