Don't compile M4 code on LC (but LC still not working)

analyze_rms.cpp

 {
 	audio_block_t *block = receiveReadOnly();
 	if (!block) return;
-#if 1
+#if defined(KINETISK)
 	uint32_t *p = (uint32_t *)(block->data);
 	uint32_t *end = p + AUDIO_BLOCK_SAMPLES/2;
 	int64_t sum = accum;

effect_midside.cpp

 		if (blockb) release(blockb); // of the blocks is NULL then it's trouble anyway
 		return;
 	}
-
+#if defined(KINETISK)
 	pa = (uint32_t *)(blocka->data);
 	pb = (uint32_t *)(blockb->data);
 	end = pa + AUDIO_BLOCK_SAMPLES/2;
 	}
 	transmit(blocka, 0); // mid (encoding) or  left (decoding)
 	transmit(blockb, 1); // side (encoding) or right (decoding)
+#endif
 	release(blocka);
 	release(blockb);
 }