RTEMS | nvdisk fails to create multiple block devices (#5402)

[Janosch Reinking (@jreinking)]

Janosch Reinking created an issue: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5402



## Summary

When initializing a single block device with `rtems_nvdisk_initialize()`, the device is mounted at `/dev/nvda`. For any further device, the base name (`/dev/nvda`) should have its last letter incremented by the device index (i.e. `/dev/nvdb`, ...). However, instead of incrementing the last letter, the function increments the null-terminator. This results in corrupted device names.

```cpp
char     name[] = RTEMS_NVDISK_DEVICE_BASE_NAME "a";
uint32_t device;
uint32_t blocks = 0;

name [sizeof(RTEMS_NVDISK_DEVICE_BASE_NAME)] += i;
```

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5402
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