fix(zynqmp): validate clock_id to avoid OOB variable access

The input argument clock_id in pm_api_clock_get_name function is not
validated against the maximum allowed number. This can lead to OOB
access for ext_clocks variable.

Add check in the pm_api_clock_get_name() to validate clock_id against
CLK_MAX.

Signed-off-by: Naman Trivedi Manojbhai <naman.trivedimanojbhai@amd.com>
Change-Id: Ifa0033d2c557efd6a87b40e366560bc3ba8c602b
1 file changed