hw/omap_clk: Add the clock for the OMAP2430-specific fifth GPIO module

The OMAP2430 has a fifth GPIO module which earlier OMAP2 models lack; add
the clock definition for it.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NAndrzej Zaborowski <andrew.zaborowski@intel.com>

hw/omap_clk.c

@@ -836,7 +836,7 @@ static struct clk i2c2_iclk = {
     .parent	= &core_l4_iclk,
 };
 
-static struct clk gpio_dbclk[4] = {
+static struct clk gpio_dbclk[5] = {
     {
         .name	= "gpio1_dbclk",
         .flags	= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
@@ -853,6 +853,10 @@ static struct clk gpio_dbclk[4] = {
         .name	= "gpio4_dbclk",
         .flags	= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
         .parent	= &wu_32k_clk,
+    }, {
+        .name   = "gpio5_dbclk",
+        .flags  = CLOCK_IN_OMAP243X,
+        .parent = &wu_32k_clk,
     },
 };