r600/sfn: Fix readport cylce map

This is currently of no consequence, because the bank swizzle
codes are only used to check legal ALU group configuration
and the bank swizzles are not yet allocated to the instruictions
here.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21516>

src/gallium/drivers/r600/sfn/sfn_alu_readport_validation.cpp

@@ -219,8 +219,8 @@ AluReadportReservation::cycle_vec(AluBankSwizzle swz, int src)
    static const int mapping[AluBankSwizzle::alu_vec_unknown][max_gpr_readports] = {
       {0, 1, 2},
       {0, 2, 1},
-      {1, 0, 2},
       {1, 2, 0},
+      {1, 0, 2},
       {2, 0, 1},
       {2, 1, 0}
    };