net: Remove unused CONFIG_DW_SEARCH_PHY from configs

net: Remove unused CONFIG_DW_SEARCH_PHY from configs

Remove this symbol from configs, since it's unused.

Signed-off-by: Pavel Machek <[email protected]>
Signed-off-by: Marek Vasut <[email protected]>
Cc: Chin Liang See <[email protected]>
Cc: Dinh Nguyen <[email protected]>
Cc: Albert Aribaud <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Wolfgang Denk <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Joe Hershberger <[email protected]>
Acked-by: Chin Liang See <[email protected]>