refactor(manifest): rename `name` to `description`

Rename the `name` field of `struct memory_region` to `description`, to
match the name that field has in the DTS.

Change-Id: I5395d0e1d97ef1d468707729d9d56656be36755c
Signed-off-by: Karl Meakin <karl.meakin@arm.com>
diff --git a/src/manifest.c b/src/manifest.c
index 00eb837..f4edaaf 100644
--- a/src/manifest.c
+++ b/src/manifest.c
@@ -794,9 +794,9 @@
 		dlog_verbose("    Memory Region[%u]\n", i);
 
 		TRY(read_optional_string(mem_node, "description",
-					 &mem_regions[i].name));
-		dlog_verbose("      Name: %s\n",
-			     string_data(&mem_regions[i].name));
+					 &mem_regions[i].description));
+		dlog_verbose("      Description: %s\n",
+			     string_data(&mem_regions[i].description));
 
 		TRY(parse_base_address(mem_node, load_address,
 				       &mem_regions[i]));