clk/mmcc-msm8996: Make mmagic_bimc_gdsc ALWAYS_ON

Patch (7705bb71 clk: qcom: mmcc-msm8996: leave all mmagic gdscs
and clocks always enabled") makes all mmgaic gdscs ALWAYS_ON.
The mmagic_bimc_gdsc is also needed to be turned on to get display
working on 8x96.

Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Cc: Rajendra Nayak <rnayak@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Fixes: 7705bb71 ("clk: qcom: mmcc-msm8996: leave all mmagic gdscs and clocks always enabled")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>