UPSTREAM: clk: qcom: gcc: Fix board clock node name

Device tree node name are not supposed to have "_" in them so fix the
node name use of xo_board to xo-board

Fixes: 652f1813 ("clk: qcom: gcc: Add global clock controller driver for QCS404")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
(cherry picked from commit 1aefa98b
https://github.com/torvalds/linux.git

)
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@linaro.org>

(cherry picked from commit c597f05941a76ab5fb11944c440d21f04e423e0f)
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@linaro.org>