Rename rd_mcp to ramdisk
Rename rd_mcp to ramdisk

Even though we're stuck with the names we have for the configfs paths
doesn't mean we can't have common-sense names in the UI.

Signed-off-by: Andy Grover <b7d524d2f5cc5aebadb6b92b08d3ab26911cde33@redhat.com>

agrover/rtslib-fb,mikenawrocki/rtslib-fb,JonnyJD/rtslib-fb,cvubrugier/rtslib-fb,mikenawrocki/rtslib-fb