Bug fixes on timer test-7
Bug fixes on timer test-7

* Added CNTFRQ RO check
* Removed CounterID check as this is a IMPDEF field
	-> https://github.com/ARM-software/sbsa-acs/commit/48563e28c3a0f22e45eb1023649310b17744bddb
*  write whole 64 bit first and then read for AArch64 regs
	-> https://github.com/ARM-software/sbsa-acs/commit/e8d6a68b728af4d6fe83773b46a9c679d96cb161

Signed-off-by: jisjos01 <bb66866096879612138e2e154d3220ec0d72082c@arm.com>

ARM-software/sbsa-acs,ARM-software/sbsa-acs