ihk_os_getrusage(): Compile LWK-specific results in mcctrl

1. User asks mcctrl for the result via ihk_os_getrusage() with passing void *
2. mcctrl compiles the results and passes them to the user
3. User interprets it by using the type defined in the LWK-specific header

executer/kernel/mcctrl/driver.c

@@ -97,6 +97,7 @@ static struct ihk_os_user_call_handler mcctrl_uchs[] = {
 	{ .request = IHK_OS_AUX_PERF_ENABLE, .func = mcctrl_ioctl },
 	{ .request = IHK_OS_AUX_PERF_DISABLE, .func = mcctrl_ioctl },
 	{ .request = IHK_OS_AUX_PERF_DESTROY, .func = mcctrl_ioctl },
+	{ .request = IHK_OS_GETRUSAGE, .func = mcctrl_ioctl },
 };
 
 static struct ihk_os_kernel_call_handler mcctrl_kernel_handlers = {