pc: switch 2.0 machine types to large seabios binary

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/i386/pc_piix.c

diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 9329f04..ab56285 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -339,7 +339,9 @@
     .desc = "Standard PC (i440FX + PIIX, 1996)", \
     .hot_add_cpu = pc_hot_add_cpu
 
-#define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
+#define PC_I440FX_2_0_MACHINE_OPTIONS                           \
+    PC_I440FX_MACHINE_OPTIONS,                                  \
+    .default_machine_opts = "firmware=bios-256k.bin"
 
 static QEMUMachine pc_i440fx_machine_v2_0 = {
     PC_I440FX_2_0_MACHINE_OPTIONS,

hw/i386/pc_q35.c

diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index ac69e5d..97aa842 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -259,7 +259,9 @@
     .desc = "Standard PC (Q35 + ICH9, 2009)", \
     .hot_add_cpu = pc_hot_add_cpu
 
-#define PC_Q35_2_0_MACHINE_OPTIONS PC_Q35_MACHINE_OPTIONS
+#define PC_Q35_2_0_MACHINE_OPTIONS                      \
+    PC_Q35_MACHINE_OPTIONS,                             \
+    .default_machine_opts = "firmware=bios-256k.bin"
 
 static QEMUMachine pc_q35_machine_v2_0 = {
     PC_Q35_2_0_MACHINE_OPTIONS,