net: stmmac: dwmac-visconti: Fix bit definitions for ETHER_CLK_SEL

net: stmmac: dwmac-visconti: Fix bit definitions for ETHER_CLK_SEL

BugLink: https://bugs.launchpad.net/bugs/1959879
[ Upstream commit 1ba1a4a90fa416a6f389206416c5f488cf8b1543 ]

just 0 should be used to represent cleared bits

* ETHER_CLK_SEL_DIV_SEL_20
* ETHER_CLK_SEL_TX_CLK_EXT_SEL_IN
* ETHER_CLK_SEL_RX_CLK_EXT_SEL_IN
* ETHER_CLK_SEL_TX_CLK_O_TX_I
* ETHER_CLK_SEL_RMII_CLK_SEL_IN

Fixes: b38dd98ff8d0 ("net: stmmac: Add Toshiba Visconti SoCs glue driver")
Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>
Reviewed-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>