[L] Change in flashrom[master]: flashrom.c: Add wrapper function to use the erase algorithm

[Thomas Heijligen (Code Review)]

Attention is currently required from: Nico Huber, Paul Menzel, Aarya.

Thomas Heijligen has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/66104 )

Change subject: flashrom.c: Add wrapper function to use the erase algorithm
......................................................................

Patch Set 43:

(7 comments)

File flashrom.c:

https://review.coreboot.org/c/flashrom/+/66104/comment/acba3b97_7d3946f9 
PS43, Line 1054: assert(!ret);
```
if (ret) {
    msg_cerr("Failed to execute erase command for offset %#x to %#x.\n", start_addr, end_addr);
    return -1;
}
```

https://review.coreboot.org/c/flashrom/+/66104/comment/7adf04b3_224d43cb 
PS43, Line 1055: //verify erase
               : 				ret = check_erased_range(flashctx, start_addr, block_len);
               : 				assert(!ret);
               : 				//if erase fail??
               : 				//
This is not needed, there is a verify command at the end.

https://review.coreboot.org/c/flashrom/+/66104/comment/5f66e748_159c9682 
PS43, Line 1065: msg_cinfo
s/msg_cdbg/

https://review.coreboot.org/c/flashrom/+/66104/comment/71a023b6_71f261ef 
PS43, Line 1076: assert(!ret);
```
if (ret) {
    msg_cerr("Write failed at %#x, Abort.\n", i);
    return -1;
}
```

https://review.coreboot.org/c/flashrom/+/66104/comment/f54c5f41_fb3e9f65 
PS43, Line 1078: ret = verify_range(flashctx, newcontents + i, i, flashctx->chip->page_size);
               : 			assert(!ret);
This is not needed, there is a verify command at the end.

https://review.coreboot.org/c/flashrom/+/66104/comment/ba2b1ffb_94ec0338 
PS43, Line 1082: msg_cinfo
s/msg_cdbg/

https://review.coreboot.org/c/flashrom/+/66104/comment/c2c22c1e_57208830 
PS43, Line 1088: assert(!ret);
```
if (ret) {
    msg_cerr("Verifying flash failed failed for range %#x : %#x, Abort.\n", region_start, region_end);
    return -1;
}
```