doc: release-notes-4-2: new DTS properties for the QSPI of STM32 devices

Change to apply on the DTS of STM32 soc and boards with QSPI nodes

Signed-off-by: Francois Ramu <francois.ramu@st.com>

Author: FRASTM

doc/releases/migration-guide-4.2.rst

@@ -663,8 +663,8 @@ SPI
   matching the compatible string.
 
 
-oSPI/xSPI
-=========
+qSPI/oSPI/xSPI
+==============
 
 * On STM32 devices, external memories device tree descriptions for size and address are now split
   in two separate properties to comply with specification recommendations.
@@ -673,7 +673,7 @@ oSPI/xSPI
   is changed to ``reg = <0>;`` ``size = <DT_SIZE_M(512)>; / 512 Mbits */``.
 
   Note that the property gives the actual size of the memory device in bits.
-  Previous mapping address information is now described in xspi or ospi nodes at SoC dtsi level.
+  Previous mapping address information is now described in xspi, ospi or qspi nodes at SoC dtsi level.
 
 Video
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