ar71xx: refresh and cleanup target kernel config

Refresh target kernel config and disable kernel support for all boards
which belong to nand and mikrotik subtargets only.

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>

target/linux/ar71xx/config-4.4

@@ -62,7 +62,7 @@ CONFIG_ATH79_MACH_BHR_4GRV2=y
 CONFIG_ATH79_MACH_BHU_BXU2000N2_A=y
 CONFIG_ATH79_MACH_BSB=y
 CONFIG_ATH79_MACH_C55=y
-CONFIG_ATH79_MACH_C60=y
+# CONFIG_ATH79_MACH_C60 is not set
 CONFIG_ATH79_MACH_CAP324=y
 CONFIG_ATH79_MACH_CAP4200AG=y
 CONFIG_ATH79_MACH_CARAMBOLA2=y
@@ -92,7 +92,7 @@ CONFIG_ATH79_MACH_DIR_869_A1=y
 CONFIG_ATH79_MACH_DLAN_HOTSPOT=y
 CONFIG_ATH79_MACH_DLAN_PRO_1200_AC=y
 CONFIG_ATH79_MACH_DLAN_PRO_500_WP=y
-CONFIG_ATH79_MACH_DOMYWIFI_DW33D=y
+# CONFIG_ATH79_MACH_DOMYWIFI_DW33D is not set
 CONFIG_ATH79_MACH_DR344=y
 CONFIG_ATH79_MACH_DR531=y
 CONFIG_ATH79_MACH_DRAGINO2=y
@@ -128,7 +128,7 @@ CONFIG_ATH79_MACH_MC_MAC1200R=y
 CONFIG_ATH79_MACH_MR12=y
 CONFIG_ATH79_MACH_MR16=y
 CONFIG_ATH79_MACH_MR1750=y
-CONFIG_ATH79_MACH_MR18=y
+# CONFIG_ATH79_MACH_MR18 is not set
 CONFIG_ATH79_MACH_MR600=y
 CONFIG_ATH79_MACH_MR900=y
 CONFIG_ATH79_MACH_MYNET_N600=y
@@ -150,7 +150,7 @@ CONFIG_ATH79_MACH_PB44=y
 CONFIG_ATH79_MACH_PQI_AIR_PEN=y
 CONFIG_ATH79_MACH_QIHOO_C301=y
 CONFIG_ATH79_MACH_R602N=y
-CONFIG_ATH79_MACH_R6100=y
+# CONFIG_ATH79_MACH_R6100 is not set
 # CONFIG_ATH79_MACH_RAMBUTAN is not set
 # CONFIG_ATH79_MACH_RB2011 is not set
 # CONFIG_ATH79_MACH_RB4XX is not set
@@ -210,9 +210,9 @@ CONFIG_ATH79_MACH_TL_WR840N_V2=y
 CONFIG_ATH79_MACH_TL_WR841N_V1=y
 CONFIG_ATH79_MACH_TL_WR841N_V8=y
 CONFIG_ATH79_MACH_TL_WR841N_V9=y
+CONFIG_ATH79_MACH_TL_WR940N_V4=y
 CONFIG_ATH79_MACH_TL_WR941ND=y
 CONFIG_ATH79_MACH_TL_WR941ND_V6=y
-CONFIG_ATH79_MACH_TL_WR940N_V4=y
 CONFIG_ATH79_MACH_TL_WR942N_V1=y
 CONFIG_ATH79_MACH_TUBE2H=y
 CONFIG_ATH79_MACH_UBNT=y
@@ -224,7 +224,7 @@ CONFIG_ATH79_MACH_WLAE_AG300N=y
 CONFIG_ATH79_MACH_WLR8100=y
 CONFIG_ATH79_MACH_WNDAP360=y
 CONFIG_ATH79_MACH_WNDR3700=y
-CONFIG_ATH79_MACH_WNDR4300=y
+# CONFIG_ATH79_MACH_WNDR4300 is not set
 CONFIG_ATH79_MACH_WNR2000=y
 CONFIG_ATH79_MACH_WNR2000_V3=y
 CONFIG_ATH79_MACH_WNR2000_V4=y
@@ -245,7 +245,7 @@ CONFIG_ATH79_MACH_WZR_HP_G300NH=y
 CONFIG_ATH79_MACH_WZR_HP_G300NH2=y
 CONFIG_ATH79_MACH_WZR_HP_G450H=y
 CONFIG_ATH79_MACH_XD3200=y
-CONFIG_ATH79_MACH_Z1=y
+# CONFIG_ATH79_MACH_Z1 is not set
 CONFIG_ATH79_MACH_ZBT_WE1526=y
 CONFIG_ATH79_MACH_ZCN_1523H=y
 CONFIG_ATH79_NVRAM=y
@@ -326,6 +326,7 @@ CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_HAVE_IDE=y
+CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y
 CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
 CONFIG_HAVE_KVM=y
 CONFIG_HAVE_LATENCYTOP_SUPPORT=y
@@ -355,7 +356,6 @@ CONFIG_IRQ_MIPS_CPU=y
 CONFIG_IRQ_WORK=y
 CONFIG_LANTIQ_PHY=y
 CONFIG_LEDS_GPIO=y
-CONFIG_LEDS_NU801=y
 # CONFIG_LEDS_WNDR3700_USB is not set
 CONFIG_LIBFDT=y
 CONFIG_MARVELL_PHY=y
@@ -393,10 +393,10 @@ CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_SPLIT_EVA_FW=y
 CONFIG_MTD_SPLIT_FIRMWARE=y
 CONFIG_MTD_SPLIT_LZMA_FW=y
+CONFIG_MTD_SPLIT_MINOR_FW=y
 CONFIG_MTD_SPLIT_SEAMA_FW=y
 CONFIG_MTD_SPLIT_UIMAGE_FW=y
 CONFIG_MTD_SPLIT_WRGG_FW=y
-CONFIG_MTD_SPLIT_MINOR_FW=y
 CONFIG_MTD_TPLINK_PARTS=y
 CONFIG_MYLOADER=y
 CONFIG_NEED_DMA_MAP_STATE=y