dos2unix.bbclass: add recipe

Class for use to convert all CRLF line terminators to LF provided
that some projects are being developed/maintained on Windows so they
have different line terminators(CRLF) vs on Linux(LF), which can
cause annoying patching errors during git push/checkout processes.

Signed-off-by: Ming Liu <peter.x.liu@external.atlascopco.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/classes/dos2unix.bbclass

@@ -0,0 +1,14 @@
+# Class for use to convert all CRLF line terminators to LF
+# provided that some projects are being developed/maintained
+# on Windows so they have different line terminators(CRLF) vs
+# on Linux(LF), which can cause annoying patching errors during
+# git push/checkout processes.
+
+do_convert_crlf_to_lf[depends] += "dos2unix-native:do_populate_sysroot"
+
+# Convert CRLF line terminators to LF
+do_convert_crlf_to_lf () {
+    find ${S} -type f -exec dos2unix {} \;
+}
+
+addtask convert_crlf_to_lf after do_unpack before do_patch