feat(linux): Add CPSW3G documentation for AM62LX

The AM62LX SoC has CPSW3G which provides Ethernet functionality in
Linux. Update the documentation accordingly.

Signed-off-by: Siddharth Vadapalli <[email protected]>

Author: Siddharth-Vadapalli-at-TI

source/linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW-Ethernet.rst

@@ -40,7 +40,7 @@ of the CPSW Ethernet Subsystem:
 
  For further details regarding the CPSWng instance, refer :ref:`cpswng`
 
-.. ifconfig:: CONFIG_part_family in ('AM62X_family','AM62AX_family','AM64X_family','AM62PX_family')
+.. ifconfig:: CONFIG_part_family in ('AM62X_family','AM62AX_family','AM64X_family','AM62PX_family','AM62LX_family')
 
    CPSW3g
 
@@ -62,7 +62,7 @@ The CPSW Ethernet Subsystem supports TSN features in the following configuration
    2. The CPSWng Native Ethernet configuration of the CPSWng instance supports both MAC mode
       and Switch mode TSN features.
 
-.. ifconfig:: CONFIG_part_family in ('AM62X_family','AM62AX_family','AM64X_family','AM62PX_family')
+.. ifconfig:: CONFIG_part_family in ('AM62X_family','AM62AX_family','AM64X_family','AM62PX_family','AM62LX_family')
 
     The CPSW3g instance supports MAC mode and Switch mode TSN features.
 

source/linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW3g.rst

@@ -53,6 +53,8 @@ Supported platforms
 +===========+===============================+
 | AM62PX    | 2 external ports (CPSW3g)     |
 +-----------+-------------------------------+
+| AM62LX    | 2 external ports (CPSW3g)     |
++-----------+-------------------------------+
 | AM62AX    | 2 external ports (CPSW3g)     |
 +-----------+-------------------------------+
 | AM62X     | 2 external ports (CPSW3g)     |