sdk: rename README

'help' target fails not finding a file, so follow up on a change[2] made
as a fix for main README[1].

1. d0113711a31f ("README: port to 21st century")
2. 751486b31fd9 ("build: fix README.md reference after rename")

Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>

diff --git a/target/sdk/files/README.SDK b/target/sdk/files/README.SDK
deleted file mode 100644 (file)
index 6699dff..0000000
--- a/target/sdk/files/README.SDK
+++ /dev/null
@@ -1,11 +0,0 @@
-This is the OpenWrt SDK. It contains a stripped-down version of
-the buildroot. You can use it to test/develop packages without
-having to compile your own toolchain or any of the libraries
-included with OpenWrt.
-
-To use it, just put your buildroot-compatible package directory
-(including its dependencies) in the subdir 'package/' and run
-'make' from this directory.
-
-To make dependency handling easier, you can use ./scripts/feeds
-to install any core package that you need

diff --git a/target/sdk/files/README.md b/target/sdk/files/README.md
new file mode 100644 (file)
index 0000000..6699dff
--- /dev/null
+++ b/target/sdk/files/README.md
@@ -0,0 +1,11 @@
+This is the OpenWrt SDK. It contains a stripped-down version of
+the buildroot. You can use it to test/develop packages without
+having to compile your own toolchain or any of the libraries
+included with OpenWrt.
+
+To use it, just put your buildroot-compatible package directory
+(including its dependencies) in the subdir 'package/' and run
+'make' from this directory.
+
+To make dependency handling easier, you can use ./scripts/feeds
+to install any core package that you need