Increase size of swap testing images

Make images slightly larger to allow more swap status metadata to be
written to flash, to increase amount of debugging info and possibility
of failures on random write fails.

Signed-off-by: Fabio Utzig <utzig@apache.org>
Signed-off-by: Christopher Collins <ccollins@apache.org>
diff --git a/sim/src/image.rs b/sim/src/image.rs
index 96637ae..2ddb052 100644
--- a/sim/src/image.rs
+++ b/sim/src/image.rs
@@ -140,8 +140,8 @@
     pub fn make_no_upgrade_image(self) -> Images {
         let mut flash = self.flash;
         let images = self.slots.into_iter().map(|slots| {
-            let primaries = install_image(&mut flash, &slots, 0, 32784, false);
-            let upgrades = install_image(&mut flash, &slots, 1, 41928, false);
+            let primaries = install_image(&mut flash, &slots, 0, 42784, false);
+            let upgrades = install_image(&mut flash, &slots, 1, 46928, false);
             OneImage {
                 slots: slots,
                 primaries: primaries,