pinctrl: qcom: remove static globals to allow multiple TLMMs

Two data structures are declared as static globals but are intended to
be per-TLMM.  Move them into the msm_pinctrl structure and initialize
them at runtime.

Signed-off-by: Timur Tabi <timur@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>