The driver does not include this subdirectory name when requesting
firmware.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Arun Kumar K <arun.kk@samsung.com>
Cc: linux-samsung-soc <linux-samsung-soc@vger.kernel.org>
Cc: Tomasz Figa <t.figa@samsung.com>