added kernel libraries bindings and cleaned up todos

GpuEs4/GpuEs4.odin

@@ -0,0 +1,15 @@
+package gpues4
+
+import "core:c"
+import sce "../common"
+
+foreign import gpues4 "system:SceGpuEs4ForDriver_stub"
+
+foreign gpues4 {
+  PVRSRVGetMiscInfoKM :: proc(info: rawptr) -> c.int ---
+
+  ksceGpuGetRegisterDump :: proc(dst: rawptr, size: sce.Size) -> c.int ---
+
+  ksceGpuMmuMapMemory :: proc(mmuContext: rawptr, vaddr: c.uint32_t, base: rawptr, size: c.uint32_t, flags: c.uint32_t) -> c.int ---
+  ksceGpuMmuUnmapMemory :: proc(mmuContext: rawptr, vaddr: c.uint32_t, size: c.uint32_t) -> c.int ---
+}