linux: better configuration

- nuke stuff which is not used
- enable more stuff like networking features and LED triggers

Change-Id: I6b88198f70611263fd81ec324f704f188b0f926e
diff --git a/board/czechlight/clearfog/linux.fragment b/board/czechlight/clearfog/linux.fragment
index 434c640..06d0921 100644
--- a/board/czechlight/clearfog/linux.fragment
+++ b/board/czechlight/clearfog/linux.fragment
@@ -25,3 +25,14 @@
 CONFIG_SPI_SPIDEV=y
 
 CONFIG_SFP=y
+
+CONFIG_MACH_ARMADA_370=n
+CONFIG_MACH_ARMADA_375=n
+CONFIG_MACH_ARMADA_39X=n
+CONFIG_MACH_ARMADA_XP=n
+CONFIG_MACH_DOVE=n
+CONFIG_NR_CPUS=2
+CONFIG_HIGHMEM=n
+CONFIG_MV643XX_ETH=n
+CONFIG_KEYBOARD_ATKBD=N
+CONFIG_INPUT_MOUSE=N