hw/arm: Express dependencies of musicpal with Kconfig

This patch is slightly based on earlier work by Ákos Kovács (i.e.
his "hw/arm/Kconfig: Add ARM Kconfig" patch).

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

default-configs/arm-softmmu.mak

@@ -11,13 +11,13 @@ CONFIG_EXYNOS4=y
 CONFIG_HIGHBANK=y
 CONFIG_INTEGRATOR=y
 CONFIG_FSL_IMX31=y
+CONFIG_MUSICPAL=y
 
 CONFIG_VGA=y
 CONFIG_NAND=y
 CONFIG_ECC=y
 CONFIG_SERIAL=y
 CONFIG_MAX7310=y
-CONFIG_WM8750=y
 CONFIG_TWL92230=y
 CONFIG_TSC2005=y
 CONFIG_LM832X=y
@@ -40,7 +40,6 @@ CONFIG_IMX_FEC=y
 CONFIG_FTGMAC100=y
 CONFIG_DS1338=y
 CONFIG_PFLASH_CFI01=y
-CONFIG_PFLASH_CFI02=y
 CONFIG_MICRODRIVE=y
 CONFIG_USB_MUSB=y
 CONFIG_PLATFORM_BUS=y
@@ -56,14 +55,12 @@ CONFIG_PL190=y
 CONFIG_PL330=y
 CONFIG_CADENCE=y
 CONFIG_PXA2XX=y
-CONFIG_BITBANG_I2C=y
 CONFIG_FRAMEBUFFER=y
 CONFIG_XILINX_SPIPS=y
 CONFIG_ZYNQ_DEVCFG=y
 
 CONFIG_ARM11SCU=y
 CONFIG_DIGIC=y
-CONFIG_MARVELL_88W8618=y
 CONFIG_OMAP=y
 CONFIG_TSC210X=y
 CONFIG_BLIZZARD=y
@@ -137,7 +134,6 @@ CONFIG_XILINX_AXI=y
 CONFIG_PCI_EXPRESS_DESIGNWARE=y
 
 CONFIG_STRONGARM=y
-CONFIG_MUSICPAL=y
 
 # for realview and versatilepb
 CONFIG_LSI_SCSI_PCI=y

hw/arm/Kconfig

@@ -46,7 +46,12 @@ config MAINSTONE
 
 config MUSICPAL
     bool
+    select BITBANG_I2C
+    select MARVELL_88W8618
     select PTIMER
+    select PFLASH_CFI02
+    select SERIAL
+    select WM8750
 
 config NETDUINO2
     bool