picosoc/gatemate: update CCF file, disable slew control

Author: pu-cc

picosoc/gatemate.ccf

@@ -1,26 +1,28 @@
 # picosoc pin file
 
+default_GPIO | SLEW="fast";
+
 ## 10 MHz clock
-Pin_in     "clk"        Loc = "IO_SB_A8" | SCHMITT_TRIGGER=true;
+NET   "clk"        Loc = "IO_SB_A8" | SCHMITT_TRIGGER=true;
 
 ## UART
-Pin_out    "ser_tx"     Loc = "IO_NB_B5"; # Pmod B: IO D4
-Pin_in     "ser_rx"     Loc = "IO_NB_B6"; # Pmod B: IO D5
+NET   "ser_tx"     Loc = "IO_NB_B5"; # Pmod B: IO D4
+NET   "ser_rx"     Loc = "IO_NB_B6"; # Pmod B: IO D5
 
 ## Serial flash (use +uCIO to enable bank)
-Pin_out    "flash_csb"  Loc = "IO_WA_A8";
-Pin_out    "flash_clk"  Loc = "IO_WA_B8";
-Pin_inout  "flash_io0"  Loc = "IO_WA_B7";
-Pin_inout  "flash_io1"  Loc = "IO_WA_A7";
-Pin_inout  "flash_io2"  Loc = "IO_WA_B6";
-Pin_inout  "flash_io3"  Loc = "IO_WA_A6";
+NET   "flash_csb"  Loc = "IO_WA_A8";
+NET   "flash_clk"  Loc = "IO_WA_B8";
+NET   "flash_io0"  Loc = "IO_WA_B7";
+NET   "flash_io1"  Loc = "IO_WA_A7";
+NET   "flash_io2"  Loc = "IO_WA_B6";
+NET   "flash_io3"  Loc = "IO_WA_A6";
 
 ## GPIO
-Pin_out    "led[0]"     Loc = "IO_EB_B1";
-Pin_out    "led[1]"     Loc = "IO_EB_B2";
-Pin_out    "led[2]"     Loc = "IO_EB_B3";
-Pin_out    "led[3]"     Loc = "IO_EB_B4";
-Pin_out    "led[4]"     Loc = "IO_EB_B5";
-Pin_out    "led[5]"     Loc = "IO_EB_B6";
-Pin_out    "led[6]"     Loc = "IO_EB_B7";
-Pin_out    "led[7]"     Loc = "IO_EB_B8";
+NET   "led[0]"     Loc = "IO_EB_B1";
+NET   "led[1]"     Loc = "IO_EB_B2";
+NET   "led[2]"     Loc = "IO_EB_B3";
+NET   "led[3]"     Loc = "IO_EB_B4";
+NET   "led[4]"     Loc = "IO_EB_B5";
+NET   "led[5]"     Loc = "IO_EB_B6";
+NET   "led[6]"     Loc = "IO_EB_B7";
+NET   "led[7]"     Loc = "IO_EB_B8";