[ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN

ep93xx: get_uart_rate() uses the constants EP93XX_SYSCON_CLOCK_CONTROL
and EP93XX_SYSCON_CLOCK_UARTBAUD, which no longer exist. Use
EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCNT_UARTBAUD instead
Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ep93xx/clock.c

@@ -186,8 +186,8 @@ static unsigned long get_uart_rate(struct clk *clk)
 {
 	u32 value;
 
-	value = __raw_readl(EP93XX_SYSCON_CLOCK_CONTROL);
-	if (value & EP93XX_SYSCON_CLOCK_UARTBAUD)
+	value = __raw_readl(EP93XX_SYSCON_PWRCNT);
+	if (value & EP93XX_SYSCON_PWRCNT_UARTBAUD)
 		return EP93XX_EXT_CLK_RATE;
 	else
 		return EP93XX_EXT_CLK_RATE / 2;