Refactor: Remove redundancy and adjust data type in level update

Removed redundant assignment in the level update loop.
Confirmed integer type adjustment to fit the int32_t type in the loop.

Signed-off-by: Shriram Shastry <[email protected]>

src/audio/tdfb/tdfb_direction.c

@@ -281,6 +281,7 @@ static void level_update(struct tdfb_comp_data *cd, int frames, int ch_count, in
 	/* Calculate mean square level */
 	for (n = 0; n < frames; n++) {
 		s = *p;
+		tmp += ((int32_t)s * s); /* use int32_t */
 		p += ch_count;
 		tdfb_cinc_s16(&p, cd->direction.d_end, cd->direction.d_size);
 		tmp += ((int64_t)s * s);