uboot-tools: relabel Zyxel devices
Commits d205878ede and 46cf10771a relabeled the supported Zyxel devices
from v1/v2 to A1/B1, but board setup files were overlooked.
Fixes: d205878ede ("rtl838x: rename GS1900 series v1/v2 to A1/B1")
Fixes: 46cf10771a ("rtl839x: rename GS1900 series v1/v2 to A1/B1")
Signed-off-by: Stijn Segers <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20590
Signed-off-by: Robert Marko <[email protected]>