Revert "build: support for new Hardware: TL-WDR4900 v1 from TP-Link / arch: mpc85xx"

This reverts commit 66f5e17f44d3de4be5c84f4dde55c1c2f8973a2c.
build: support for new Hardware: TL-WDR4900 v1 from TP-Link / arch: mpc85xx - tweak the string to the common format: TP-LINK TL-WDR4900 v1