max80.pins: fix pin assignments for abc_d_{ce_n,oe}

abc_d_oe and abc_d_ce_n were swapped.

fpga/max80.pins

@@ -45,8 +45,8 @@ l4	abc_a[10]
 m6	abc_d[1]
 p6	spi_clk
 m7	spi_miso
-r5	abc_d_ce_n
-t5	abc_d_oe
+t5	abc_d_ce_n
+r5	abc_d_oe
 r6	abc_resin_x
 t6	gpio[2]
 l7	gpio[0]