Add Imagination waiver #229
Add Imagination waiver #229

Add the existing waiver on PowerVR cores related to snorm filtering to
the new waiver list.

This adds both of the existing test groups to the waiver along with the
newly introduced tests which hit this bug in the affected GPUs.

Components: Vulkan
VK-GL-CTS issue: 229
VK-GL-CTS issue: 2418
VK-GL-CTS issue: 2189

Change-Id: I15b5d5121fc0a4026944bc73d772c4d9cddc9031

KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS