clk: tegra: pll: Change misc_reg count from 3 to 6

New SoC's may have more than 3 MISC registers, so bump up the array size
and use a #define to be more informative about the value.

Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/clk/tegra/clk.h

@@ -156,6 +156,8 @@ struct div_nmp {
 	u8		override_divp_shift;
 };
 
+#define MAX_PLL_MISC_REG_COUNT	6
+
 /**
  * struct tegra_clk_pll_params - PLL parameters
  *
@@ -225,7 +227,7 @@ struct tegra_clk_pll_params {
 	u32		iddq_bit_idx;
 	u32		aux_reg;
 	u32		dyn_ramp_reg;
-	u32		ext_misc_reg[3];
+	u32		ext_misc_reg[MAX_PLL_MISC_REG_COUNT];
 	u32		pmc_divnm_reg;
 	u32		pmc_divp_reg;
 	u32		flags;