regulator: dt-bindings: qcom,qca6390-pmu: fix the description for bt-enable-gpios

The Bluetooth module is obviously not an ath11k so drop the word.

Fixes: b5cb34c9 ("regulator: dt-bindings: describe the PMU module of the QCA6390 package")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://patch.msgid.link/20240813185827.154779-1-brgl@bgdev.pl


Signed-off-by: Mark Brown <broonie@kernel.org>