clk: rmobile: Add R8A7796 xHCI clock

Add xHCI entry into the clock tables, so that the xHCI USB driver
can enable the clock for the xHCI block via clock framework.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
1 file changed