ice: Rename a couple of variables

stable inclusion
from stable-v5.10.106
commit 852a9e97d396101b8bc224e876cdaaa2bbab4ce4
bugzilla: https://gitee.com/openeuler/kernel/issues/I573US

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=852a9e97d396101b8bc224e876cdaaa2bbab4ce4



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[ Upstream commit 0be39bb4 ]

In ice_set_link_ksettings, change 'abilities' to 'phy_caps' and 'p' to
'pi'. This is more consistent with similar usages elsewhere in the
driver.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Yu Liao <liaoyu15@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>