firmware: qcom_scm: drop unexpected word "the"

there is an unexpected word "the" in the comments that need to be dropped

> * will cause the the boot stages to enter download mode, unless

Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220621094924.83135-1-jiangjian@cdjrlc.com