fix(CPSW-TSN): repair toc tree entry

The file was renamed in the below commit.

Fixes: 5c4449a (Kernel_Drivers/Network/CPSW-TSN: Clean up TSN documentation and testing, 2022-10-17)
Signed-off-by: Randolph Sapp <rs@ti.com>

Author: StaticRocket

configs/DRA821A/DRA821A_linux_toc.txt

@@ -43,7 +43,7 @@ linux/Foundational_Components/Kernel/Kernel_Drivers/MCAN
 linux/Foundational_Components/Kernel/Kernel_Drivers/GPIO
 linux/Foundational_Components/Kernel/Kernel_Drivers/I2C
 linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW2g
-linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW-TSN-Testing
+linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW-TSN
 linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW-PTP
 linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW-EST
 linux/Foundational_Components/Kernel/Kernel_Drivers/Network/CPSW-CBS