some more docs, retore full Linux configs, wont touch that now

kernel_config/default

@@ -1,28 +1,16 @@
+# Misc.
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_STRICT_DEVMEM=n
+CONFIG_DEBUG_FS=y
 CONFIG_DYNAMIC_DEBUG=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_OVERLAY_FS=y
+CONFIG_STRICT_DEVMEM=n
 
 # GDB debugging.
-CONFIG_DEBUG_FS=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_GDB_SCRIPTS=y
 
-# Non-static variables show up on /proc/kallsyms
-# https://stackoverflow.com/questions/20196636/does-kallsyms-have-all-the-symbol-of-kernel-functions/44614878#44614878
-CONFIG_KALLSYMS_ALL=y
-
-# /proc/config.gz
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-
-# TODO make example.
-# This seems to allow userspace to create arbitrary configuration trees,
-# which kernel modules can then read and interpret.
-CONFIG_CONFIGFS_FS=y
-
 # KGDB
 CONFIG_CONSOLE_POLL=y
 CONFIG_KDB_CONTINUE_CATASTROPHIC=0
@@ -38,6 +26,19 @@ CONFIG_MAGIC_SYSRQ=y
 CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1
 CONFIG_SERIAL_KGDB_NMI=n
 
+# Non-static variables show up on /proc/kallsyms
+# https://stackoverflow.com/questions/20196636/does-kallsyms-have-all-the-symbol-of-kernel-functions/44614878#44614878
+CONFIG_KALLSYMS_ALL=y
+
+# /proc/config.gz
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+
+# TODO make example.
+# This seems to allow userspace to create arbitrary configuration trees,
+# which kernel modules can then read and interpret.
+CONFIG_CONFIGFS_FS=y
+
 # Module.symvers in kernel tree and modules tree contains CRC of signatures.
 # TODO: I think the CRC are stored in the built kernel and module, and checked
 # at insmod, but bgrep did not find it in kernel image.