global: Migrate CONFIG_TESTPIN_MASK to CFG

Perform a simple rename of CONFIG_TESTPIN_MASK to CFG_TESTPIN_MASK

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/keymile/km83xx/km83xx.c b/board/keymile/km83xx/km83xx.c
index 88afc76..73e3709 100644
--- a/board/keymile/km83xx/km83xx.c
+++ b/board/keymile/km83xx/km83xx.c
@@ -217,7 +217,7 @@
 	struct km_bec_fpga *base =
 		(struct km_bec_fpga *)CFG_SYS_KMBEC_FPGA_BASE;
 	int testpin_reg = in_8(&base->CONFIG_TESTPIN_REG);
-	testpin = (testpin_reg & CONFIG_TESTPIN_MASK) != 0;
+	testpin = (testpin_reg & CFG_TESTPIN_MASK) != 0;
 	debug("post_hotkeys_pressed: %d\n", !testpin);
 	return testpin;
 }