arm64: dts: qcom: qrb5165-rb5: Fix can-clock node name

Per DT spec node names should not have underscores (_) in them, so
change can_clock to can-clock.

Fixes: 5c44c564 ("arm64: dts: qcom: qrb5165-rb5: Add support for MCP2518FD")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220421073502.1824089-1-vkoul@kernel.org