EDAC/i3200: Fix a resource leak in i3200_probe1()

EDAC/i3200: Fix a resource leak in i3200_probe1()

commit d42d5715dcb559342ff356327b241c53a67584d9 upstream.

If edac_mc_alloc() fails, also unmap the window.

  [ bp: Use separate labels, turning it into the classic unwind pattern. ]

Fixes: dd8ef1db87a4 ("edac: i3200 memory controller driver")
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251223123202.1492038-1-lihaoxiang@isrc.iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>