freedreno/ir3: fix printing output registers of FS.

Fixes: cea39af2fb ("freedreno/ir3: Generalize ir3_shader_disasm()")

Reviewed-by: Rob Clark <robdclark@gmail.com>

src/freedreno/ir3/ir3_shader.c

 	fprintf(out, "; %s: outputs:", type);
 	for (i = 0; i < so->outputs_count; i++) {
 		uint8_t regid = so->outputs[i].regid;
-		fprintf(out, " r%d.%c (%s)",
-				(regid >> 2), "xyzw"[regid & 0x3],
+		const char *reg_type = so->outputs[i].half ? "hr" : "r";
+		fprintf(out, " %s%d.%c (%s)",
+				reg_type, (regid >> 2), "xyzw"[regid & 0x3],
 				output_name(so, i));
 	}
 	fprintf(out, "\n");