sparc-softmmu.mak: express dependencies with Kconfig

%-softmmu.mak only keep boards and optional device
definitions in Kconfig mode.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

default-configs/sparc-softmmu.mak

 # Default configuration for sparc-softmmu
 
-CONFIG_ISA_BUS=y
-CONFIG_ECC=y
-CONFIG_ESP=y
-CONFIG_ESCC=y
-CONFIG_M48T59=y
-CONFIG_FDC=y
-CONFIG_EMPTY_SLOT=y
-CONFIG_PCNET_COMMON=y
-CONFIG_LANCE=y
-CONFIG_TCX=y
-CONFIG_CG3=y
-CONFIG_SLAVIO=y
-CONFIG_CS4231=y
-CONFIG_GRLIB=y
-CONFIG_STP2000=y
-CONFIG_ECCMEMCTL=y
+# Uncomment the following lines to disable these optional devices:
+#
+#CONFIG_TCX=n
+#CONFIG_CG3=n
 
+# Boards:
+#
 CONFIG_SUN4M=y
 CONFIG_LEON3=y

hw/misc/Kconfig

@@ -71,6 +71,7 @@ config IVSHMEM_DEVICE
 
 config ECCMEMCTL
     bool
+    select ECC
 
 config IMX
     bool

hw/net/Kconfig

@@ -77,6 +77,7 @@ config STELLARIS_ENET
 
 config LANCE
     bool
+    select PCNET_COMMON
 
 config SUNHME
     bool

hw/sparc/Kconfig

 config SUN4M
     bool
+    imply TCX
+    imply CG3
+    select CS4231
+    select ECCMEMCTL
+    select EMPTY_SLOT
+    select ESCC
+    select ESP
+    select FDC
+    select SLAVIO
+    select LANCE
+    select M48T59
+    select STP2000
 
 config LEON3
     bool
+    select GRLIB
 
 config GRLIB
     bool