layers: Move READMEs to markdown format

The READMEs are often viewed from websites markdown format which is
much as readable as text and yet friendlier in browsers.

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-initramfs/README.md

@@ -0,0 +1,35 @@
+meta-initramfs
+==============
+
+This layer contains the metadata necessary to build the klibc library and
+utilities (shared and static) plus other tools useful for the creation of
+small-sized initramfs.
+
+
+Dependencies
+------------
+
+This layer depends on:
+
+URI: git://git.openembedded.org/meta-openembedded
+branch: master
+
+
+Maintenance
+-----------
+
+Send patches / pull requests to openembedded-devel@lists.openembedded.org
+with '[meta-initramfs]' in the subject.
+
+When sending single patches, please using something like:
+git send-email -M -1 --to openembedded-devel@lists.openembedded.org --subject-prefix='meta-initramfs][PATCH'
+
+Interm layer maintainer: Khem Raj <raj.khem@gmail.com>
+
+
+License
+-------
+
+All metadata is MIT licensed unless otherwise stated. Source code included
+in tree for individual recipes is under the LICENSE stated in each recipe
+(.bb file) unless otherwise stated.