fix(rockchip): pmu: Do not mark already defined functions as weak

These functions are already defined as static functions in same header
Fixes

| plat/rockchip/common/drivers/pmu/pmu_com.h:35:14: error: weak identifier 'pmu_power_domain_ctr' never declared [-Werror]
| #pragma weak pmu_power_domain_ctr
|              ^
| plat/rockchip/common/drivers/pmu/pmu_com.h:36:14: error: weak identifier 'check_cpu_wfie' never declared [-Werror]
| #pragma weak check_cpu_wfie
|              ^

Signed-off-by: Khem Raj <raj.khem@gmail.com>
[fixed alignment in commit log]
[added fix(rockchip): prefix in commit title]
Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
Change-Id: I96d4acbe743ba4b8996f0be0fa713b341bd4903c
1 file changed