clk: tm2: fix pcie A and B clock [1/1]

clk: tm2: fix pcie A and B clock [1/1]

PD#SWPL-7855

Problem:
pcie A does not equal 100M when enable alone,
enable pcie A and B together works well.

Solution:
correct pcie A and B clock describetion

Verify:
test passed on tm2 ab3100

Change-Id: I9483efe00cc157c3ff5a9ff4d3a03e0dc50e4fdc
Signed-off-by: Jian Hu <jian.hu@amlogic.com>