initrd: run recovery only if specified recovery in cmdline
initrd: run recovery only if specified recovery in cmdline

This patch executes recovery modef only if the 'recovery' is
specified in the kernel command line.

Change-Id: I8e5f419ec69a67170e9a318ab8c192fcdb6fc179
Signed-off-by: Chanho Park <8ec285a53e21b773fd914e03c50e1b6431bc9aa8@samsung.com>

SamsungARTIK/build-artik