dt-bindings: pinctrl: qcom: Add SC7180 pinctrl binding

Add the binding for the TLMM pinctrl block found in the SC7180 platform

Signed-off-by: Jitendra Sharma <shajit@codeaurora.org>
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
[rnayak: Fix some copy-paste issues, sort and fix functions]
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20190806060536.18094-1-rnayak@codeaurora.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>