stubdom: explcitly add libc and lwip Mini-OS config options

Today the Mini-OS build systems derives libc and lwip config options
from the stubdom and LWIPDIR make variables supplied by the Xen build
system.

In order to prepare those being explicit Mini-OS config options, add
them to the related stubdom Mini-OS config files.

While at it remove the CONFIG_START_NETWORK setting from config files
disabling lwip, as CONFIG_START_NETWORK requires lwip for becoming
effective.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

stubdom/c/minios.cfg

@@ -0,0 +1,2 @@
+CONFIG_LIBC=y
+CONFIG_LWIP=y

stubdom/grub/minios.cfg

@@ -1,3 +1,4 @@
-CONFIG_START_NETWORK=n
+CONFIG_LIBC=y
+CONFIG_LWIP=n
 CONFIG_SPARSE_BSS=n
 CONFIG_TPMFRONT=y

stubdom/ioemu-minios.cfg

@@ -1,3 +1,5 @@
+CONFIG_LIBC=y
+CONFIG_LWIP=y
 CONFIG_START_NETWORK=n
 CONFIG_QEMU_XS_ARGS=y
 CONFIG_PCIFRONT=y

stubdom/vtpm/minios.cfg

@@ -1,7 +1,8 @@
+CONFIG_LIBC=y
+CONFIG_LWIP=n
 CONFIG_TPMFRONT=y
 CONFIG_TPM_TIS=n
 CONFIG_TPMBACK=y
-CONFIG_START_NETWORK=n
 CONFIG_TEST=n
 CONFIG_PCIFRONT=n
 CONFIG_BLKFRONT=y

stubdom/vtpmmgr/minios.cfg

@@ -1,7 +1,8 @@
+CONFIG_LIBC=y
+CONFIG_LWIP=n
 CONFIG_TPMFRONT=y
 CONFIG_TPM_TIS=y
 CONFIG_TPMBACK=y
-CONFIG_START_NETWORK=n
 CONFIG_TEST=n
 CONFIG_PCIFRONT=n
 CONFIG_BLKFRONT=y

stubdom/xenstore-minios.cfg

@@ -1,3 +1,4 @@
+CONFIG_LIBC=y
 CONFIG_BLKFRONT=n
 CONFIG_NETFRONT=n
 CONFIG_FBFRONT=n

stubdom/xenstorepvh-minios.cfg

@@ -1,3 +1,4 @@
+CONFIG_LIBC=y
 CONFIG_PARAVIRT=n
 CONFIG_BLKFRONT=n
 CONFIG_NETFRONT=n