src/modulemgr/modulemgr.c: Added sceKernelUnloadModule().
src/modulemgr/modulemgr.c: Added sceKernelSearchModuleByName().
src/modulemgr/modulemgr.c: Added sceKernelSearchModuleByAddress().
src/modulemgr/modulemgr.c: Added sceKernelSetNpDrmGetModuleKeyFunction().
src/modulemgr/modulemgr.c: Added sceKernelNpDrmGetModuleKey().
src/modulemgr/modulemgr.c: Added sceKernelModuleMgrMode().