Add missing MODULE_LICENSE() and MODULE_DESCRIPTION() in hsq driver to
fix below warning when compiling the hsq as a module.

"WARNING: modpost: missing MODULE_LICENSE() in drivers/mmc/host/mmc_hsq.o".
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/98ce471185f037fce57520763621590588766381.1582161803.git.baolin.wang7@gmail.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>