build: fix Python platform architecture tag for armv7l (openvinotoolkit#24772)

On arm32 (armv7), the platform tag should be `armv7l` as per
https://peps.python.org/pep-0599/

Author: bjia56

src/bindings/python/wheel/CMakeLists.txt

@@ -24,7 +24,7 @@ macro(_ov_platform_arch)
     elseif(UNIVERSAL2)
         set(_arch "universal2")
     elseif(ARM)
-        set(_arch "armvl7")
+        set(_arch "armv7l")
     elseif(X86_64)
         set(_arch "x86_64")
     elseif(X86)