Fix `block_erase` addresses

- Instead of sending a different address for each block that was to be
  erased, we mistakenly always sent the address of the first block (and
  since you can't overwrite unerased flash, this caused flashes to fail
  to update the storage).

Bug: 293946589

Change-Id: I57f66674f0bcced46572f1ad91feb3cf176dd859

sw/host/opentitanlib/src/spiflash/flash.rs

diff --git a/sw/host/opentitanlib/src/spiflash/flash.rs b/sw/host/opentitanlib/src/spiflash/flash.rs
index 0012797..eda6f4e 100644
--- a/sw/host/opentitanlib/src/spiflash/flash.rs
+++ b/sw/host/opentitanlib/src/spiflash/flash.rs
@@ -292,7 +292,7 @@
             };
             spi.run_eeprom_transactions(&mut [
                 Transaction::Command(MODE_111.cmd(SpiFlash::WRITE_ENABLE)),
-                Transaction::Command(MODE_111.cmd_addr(opcode, address, self.address_mode)),
+                Transaction::Command(MODE_111.cmd_addr(opcode, addr, self.address_mode)),
                 Transaction::WaitForBusyClear,
             ])?;
             progress(addr, sector_size);