doc: release: 3.5: add release notes for SDHC and Disk drivers

Add release notes for SDHC and disk driver updates merged since 3.4

Signed-off-by: Daniel DeGrasse <[email protected]>

Author: danieldegrasse

doc/releases/release-notes-3.5.rst

@@ -481,6 +481,9 @@ Drivers and Sensors
 
 * Disk
 
+  * Ramdisk driver is now configured using devicetree, and supports multiple
+    instances
+
 * Display
 
   * Added support for ST7735S (in ST7735R driver)
@@ -696,6 +699,9 @@ Drivers and Sensors
 
 * SDHC
 
+  * Added driver for EMMC Host controller present on Alder lake platforms
+  * Added driver for Atmel HSMCI controller present on SAM4E MCU series
+
 * Sensor
 
   * Reworked the :dtcompatible:`ti,bq274xx` to add ``BQ27427`` support, fixed