Unify programmer parameter extraction

Make programmer_param static by converting all users to extract_programmer_param.
Programmer parameters can no longer be separated with a
colon, they have to be separated with a comma.

Corresponding to flashrom svn r1072.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
diff --git a/internal.c b/internal.c
index 188fd5d..7b31e79 100644
--- a/internal.c
+++ b/internal.c
@@ -121,7 +121,7 @@
 	int force_laptop = 0;
 	char *arg;
 
-	arg = extract_param(&programmer_param, "boardenable", ",:");
+	arg = extract_programmer_param("boardenable");
 	if (arg && !strcmp(arg,"force")) {
 		force_boardenable = 1;
 	} else if (arg && !strlen(arg)) {
@@ -135,7 +135,7 @@
 	}
 	free(arg);
 
-	arg = extract_param(&programmer_param, "boardmismatch", ",:");
+	arg = extract_programmer_param("boardmismatch");
 	if (arg && !strcmp(arg,"force")) {
 		force_boardmismatch = 1;
 	} else if (arg && !strlen(arg)) {
@@ -149,7 +149,7 @@
 	}
 	free(arg);
 
-	arg = extract_param(&programmer_param, "laptop", ",:");
+	arg = extract_programmer_param("laptop");
 	if (arg && !strcmp(arg,"force_I_want_a_brick")) {
 		force_laptop = 1;
 	} else if (arg && !strlen(arg)) {