python3-ecdsa: drop the six dependency

Patch ecdsa to use the Python 3 equivalents of the six helpers and drop
the runtime dependency.

Built for intel-corei7-64.

AI-Generated: Uses Claude Code (Claude Opus 5)
Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-python/recipes-devtools/python/python3-ecdsa_0.19.2.bb

@@ -3,6 +3,7 @@ SECTION = "devel/python"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=66ffc5e30f76cbb5358fe54b645e5a1d"
 
+SRC_URI += "file://0001-drop-the-six-dependency.patch"
 SRC_URI[sha256sum] = "62635b0ac1ca2e027f82122b5b81cb706edc38cd91c63dda28e4f3455a2bf930"
 
 CVE_PRODUCT = "python-ecdsa_project:python-ecdsa tlsfuzzer:ecdsa"
@@ -23,7 +24,6 @@ do_install_ptest:append () {
 RDEPENDS:${PN} += " \
 	python3-gmpy2 \
 	python3-json \
-	python3-six \
 "
 
 do_install:append() {