tty: serial: qcom-geni-serial: remove unneeded tabs

Remove redundant indentation in struct member assignment.
Signed-off-by: NBartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: NKonrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20221229155030.418800-9-brgl@bgdev.plSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>