msm: IPA: add the check on intf query

The ipa_ioc_query_intf_rx_props structure comes
from the ioctl handler, and it is verified that
the size of rx buffer does not exceed the
IPA_NUM_PROPS_MAX elements. It is also verified
that the "entry->rx" buffer does not exceed
IPA_NUM_PROPS_MAX when "entry" is allocated.
However, the sizes of the buffer "rx->rx" and
the buffer "entry->rx" are not guaranteed to
be the same and will lead memory corruption
issue. The fix is to add the check before
memcpy.

Change-Id: Idf5c2d32f47c1a1cffeaa5607193855188893ddb
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>