test(rmm-eac4): add testcase for CPU_ON denied

- Testcase creates multiple rec
- Host receives CPU_ON request from realm
- Host calls PSCI_CCMPLETE with denied status

Signed-off-by: Shruti Gupta <shruti.gupta@arm.com>
Change-Id: Ie89b7a3b9603916275913a273751210350075e96
8 files changed