ath79: use caldata patching for Archer C58/C59
With this commit the TP-Link Archer C58 and Archer C59 use caldata
patching in order to set the correct 5GHz MAC-address.
Tested on TP-Link Archer C59 v1.
For more details see commit 330965b.
Signed-off-by: David Bauer <[email protected]>