greybus: README and .gitignore updates
diff --git a/drivers/staging/greybus/.gitignore b/drivers/staging/greybus/.gitignore
index 4d40434..a07ab9d 100644
--- a/drivers/staging/greybus/.gitignore
+++ b/drivers/staging/greybus/.gitignore
@@ -1,23 +1,9 @@
-# Object files
-*.o
+*.cmd
 *.ko
-*.obj
-*.elf
-
-# Libraries
-*.lib
-*.a
-
-# Shared objects (inc. Windows DLLs)
-*.dll
-*.so
-*.so.*
-*.dylib
-
-# Executables
-*.exe
-*.out
-*.app
-*.i*86
-*.x86_64
-*.hex
+*.mod.c
+modules.order
+Module.symvers
+*.o
+*.swp
+.tmp_versions
+tags
diff --git a/drivers/staging/greybus/README b/drivers/staging/greybus/README
new file mode 100644
index 0000000..50953b1
--- /dev/null
+++ b/drivers/staging/greybus/README
@@ -0,0 +1 @@
+Greybus kernel code
diff --git a/drivers/staging/greybus/README.md b/drivers/staging/greybus/README.md
deleted file mode 100644
index 57e8490..0000000
--- a/drivers/staging/greybus/README.md
+++ /dev/null
@@ -1,4 +0,0 @@
-greybus
-=======
-
-greybus kernel code