mtd: lpddr: Fix a double free in probe()

mtd: lpddr: Fix a double free in probe()

commit 4da0ea71ea934af18db4c63396ba2af1a679ef02 upstream.

This function is only called from lpddr_probe().  We free "lpddr" both
here and in the caller, so it's a double free.  The best place to free
"lpddr" is in lpddr_probe() so let's delete this one.

Fixes: 8dc004395d5e ("[MTD] LPDDR qinfo probing.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200228092554.o57igp3nqhyvf66t@kili.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>