curl: set CVE_STATUS for CVE-2026-12064

Analysis:
- CVE-2026-12064 affects SCP and SFTP support with libssh2. [1]
- Scarthgap keeps libssh2 optional and disables it by default. [2]
- The status reports unpatched when libssh2 is explicitly enabled.
- Hence deferring the CVE for now.

Reference:
[1] https://curl.se/docs/CVE-2026-12064.html
[2] https://git.openembedded.org/openembedded-core/tree/meta/recipes-support/curl/curl_8.7.1.bb?h=scarthgap

(From OE-Core rev: 52d3f4713db2c43479e40dbef76c30c4bf1d9777)

Signed-off-by: Devansh Patel <devanshp@cisco.com>
Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
[YC: fixed commit title]
Signed-off-by: Paul Barker <paul@pbarker.dev>

meta/recipes-support/curl/curl_8.7.1.bb

@@ -61,6 +61,7 @@ CVE_STATUS[CVE-2026-10536] = "${@bb.utils.contains('PACKAGECONFIG', 'nghttp2', '
 CVE_STATUS[CVE-2026-8458] = "${@bb.utils.contains('PACKAGECONFIG', 'krb5 negotiate-auth', 'unpatched', 'not-applicable-config: applicable only with GSS-API-backed Negotiate authentication', d)}"
 CVE_STATUS[CVE-2026-9547] = "not-applicable-config: vulnerable libssh backend is not enabled by the recipe"
 CVE_STATUS[CVE-2026-82209] = "not-applicable-config: public suffix list support is disabled by the recipe with --without-libpsl"
+CVE_STATUS[CVE-2026-12064] = "${@bb.utils.contains('PACKAGECONFIG', 'libssh2', 'unpatched', 'not-applicable-config: SCP/SFTP support is not enabled in PACKAGECONFIG', d)}"
 
 inherit autotools pkgconfig binconfig multilib_header ptest