[aes] Fix CSR test exclusions for key, IV and data input registers
[aes] Fix CSR test exclusions for key, IV and data input registers

Just like the data output registers, these are cleared with pseudo-
random data after reset meaning they should be excluded from the HW
reset tests.

This resolves lowRISC/OpenTitan#10081.

Signed-off-by: Pirmin Vogel <386a7fc8e7338ed7899b4d9883c0ebec5de81366@lowrisc.org>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan