manuals: improve initramfs details

- Create a new entry in the glossary
- Add implementation details
- Replace the mention of "init ramdisk" by "initramfs¨
  whenever possible
- Remove obsolete and duplicate information
- Fix spacing issues in the Sphinx code

(From yocto-docs rev: 952c7e6dee49532705b2c162f4728e635c38df3f)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/documentation/ref-manual/tasks.rst b/documentation/ref-manual/tasks.rst
index cb08a75c90..2a692c1725 100644
--- a/documentation/ref-manual/tasks.rst
+++ b/documentation/ref-manual/tasks.rst
@@ -575,10 +575,8 @@ information on live image types.
 ``do_bundle_initramfs``
 -----------------------
 
-Combines an initial RAM disk (initramfs) image and kernel together to
-form a single image. The
-:term:`CONFIG_INITRAMFS_SOURCE` variable
-has some more information about these types of images.
+Combines an :term:`Initramfs` image and kernel together to
+form a single image.
 
 .. _ref-tasks-rootfs: