kernelci.build: update kernel image name map with sparc

Update the dictionary with the kernel image names to use "sparc"
instead of "sparc64" as the arch name.

Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com>

kernelci/build.py

@@ -51,7 +51,7 @@
     'i386': 'bzImage',
     'x86_64': 'bzImage',
     'mips': 'uImage.gz',
-    'sparc64': 'zImage',
+    'sparc': 'zImage',
 }
 
 # Hard-coded binary kernel image names for each CPU architecture
@@ -62,7 +62,7 @@
     'i386': {'bzImage'},
     'mips': {'uImage.gz', 'vmlinux.gz.itb', 'vmlinuz'},
     'riscv': {'Image', 'Image.gz'},
-    'sparc64': {'zImage'},
+    'sparc': {'zImage'},
     'x86_64': {'bzImage'},
     'x86': {'bzImage'},
 }