Switch library and tests to the x509_oid module
```
git grep -l -P 'mbedtls_oid_get_(?!numeric_string\b)' | xargs perl -i -pe 's/\bmbedtls_oid_get_(?!numeric_string\b)/mbedtls_x509_oid_get_/'
./framework/scripts/code_style.py --since HEAD~1 --fix
```
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/library/x509_csr.c b/library/x509_csr.c
index bba9eaa..0a77bef 100644
--- a/library/x509_csr.c
+++ b/library/x509_csr.c
@@ -114,7 +114,7 @@
/*
* Detect supported extensions and skip unsupported extensions
*/
- ret = mbedtls_oid_get_x509_ext_type(&extn_oid, &ext_type);
+ ret = mbedtls_x509_oid_get_x509_ext_type(&extn_oid, &ext_type);
if (ret != 0) {
/* Give the callback (if any) a chance to handle the extension */