power: power_fsl: Pass p->bus in the same way for SPI and I2C cases

There is no need to pass p->bus differently when the PMIC is connected via SPI
or via I2C.

Handle the both cases in the same way.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/drivers/power/power_fsl.c b/drivers/power/power_fsl.c
index ed778f3..ac0b541 100644
--- a/drivers/power/power_fsl.c
+++ b/drivers/power/power_fsl.c
@@ -36,10 +36,10 @@
 
 	p->name = name;
 	p->number_of_regs = PMIC_NUM_OF_REGS;
+	p->bus = bus;
 
 #if defined(CONFIG_POWER_SPI)
 	p->interface = PMIC_SPI;
-	p->bus = CONFIG_FSL_PMIC_BUS;
 	p->hw.spi.cs = CONFIG_FSL_PMIC_CS;
 	p->hw.spi.clk = CONFIG_FSL_PMIC_CLK;
 	p->hw.spi.mode = CONFIG_FSL_PMIC_MODE;
@@ -50,7 +50,6 @@
 	p->interface = PMIC_I2C;
 	p->hw.i2c.addr = CONFIG_SYS_FSL_PMIC_I2C_ADDR;
 	p->hw.i2c.tx_num = FSL_PMIC_I2C_LENGTH;
-	p->bus = bus;
 #else
 #error "You must select CONFIG_POWER_SPI or CONFIG_PMIC_I2C"
 #endif