drm/amd/pm: Mundane typo fixes in the file amdgpu_pm.c

s/"an minimum"/"a minimum"/
s/"an maxmum"/"a maximum"/
Reviewed-by: NHuang Rui <ray.huang@amd.com>
Acked-by: NRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: NBhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/amdgpu_pm.c

@@ -2906,9 +2906,9 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
  *
  * - pwm1_max: pulse width modulation fan control maximum level (255)
  *
- * - fan1_min: an minimum value Unit: revolution/min (RPM)
+ * - fan1_min: a minimum value Unit: revolution/min (RPM)
  *
- * - fan1_max: an maxmum value Unit: revolution/max (RPM)
+ * - fan1_max: a maximum value Unit: revolution/max (RPM)
  *
  * - fan1_input: fan speed in RPM
  *