ASoC: rt1308: clarify expression

cppcheck warning:

sound/soc/codecs/rt1308.c:676:40: style: Boolean result is used in
bitwise operation. Clarify expression with
parentheses. [clarifyCondition]
  pll_code.k_code << RT1308_PLL1_K_SFT |
                                       ^
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210302212527.55158-8-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt1308.c

@@ -673,10 +673,10 @@ static int rt1308_set_component_pll(struct snd_soc_component *component,
 		pll_code.n_code, pll_code.k_code);
 
 	snd_soc_component_write(component, RT1308_PLL_1,
-		pll_code.k_code << RT1308_PLL1_K_SFT |
-		pll_code.m_bp << RT1308_PLL1_M_BYPASS_SFT |
-		(pll_code.m_bp ? 0 : pll_code.m_code) << RT1308_PLL1_M_SFT |
-		pll_code.n_code << RT1308_PLL1_N_SFT);
+		(pll_code.k_code << RT1308_PLL1_K_SFT) |
+		(pll_code.m_bp << RT1308_PLL1_M_BYPASS_SFT) |
+		((pll_code.m_bp ? 0 : pll_code.m_code) << RT1308_PLL1_M_SFT) |
+		(pll_code.n_code << RT1308_PLL1_N_SFT));
 
 	rt1308->pll_in = freq_in;
 	rt1308->pll_out = freq_out;