Document auto_set_reset option for MMC5603 (#5803)

* Document auto_set_reset option for MMC5603

* Fixed capitalization

* Added sampling rate info

* Clean

* Clean

---------

Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>

Author: pixelgrb

content/components/sensor/mmc5603.md

@@ -1,9 +1,9 @@
 ---
-description: "Instructions for setting up MMC5693 IMU compass sensors."
+description: "Instructions for setting up MMC5603 IMU compass sensors."
 title: "MMC5603 Magnetometer"
 params:
   seo:
-    description: Instructions for setting up MMC5693 IMU compass sensors.
+    description: Instructions for setting up MMC5603 IMU compass sensors.
     image: mmc5603.jpg
 ---
 
@@ -21,6 +21,7 @@ for this sensor to work.
 sensor:
   - platform: mmc5603
     address: 0x30
+    auto_set_reset: true
     field_strength_x:
       name: "MMC5603 Field Strength X"
     field_strength_y:
@@ -49,6 +50,13 @@ sensor:
 
 - **update_interval** (*Optional*, [Time](/guides/configuration-types#time)): The interval to check the sensor. Defaults to `60s`.
 
+- **auto_set_reset** (*Optional*, bool): Enables the sensor's automatic SET/RESET feature (Auto_SR_en).
+  This greatly reduces temperature-induced drift and improves long-term stability of the magnetic field readings.
+  Defaults to `true`.
+
+> [!NOTE]
+> Enabling `auto_set_reset` halves the maximum sampling rate (150Hz to 75Hz) as each read performs two measurements.
+
 - **id** (*Optional*, [ID](/guides/configuration-types#id)): Manually specify the ID used for code generation.
 
 ## See Also