lib: os: cbprintf: Fix double handling in package

Double vs long double handling was swapped in packaging. It was wrong
in encoder and decoder so error gone unnoticed.

Signed-off-by: Krzysztof Chruscinski <[email protected]>

Author: nordic-krch

lib/os/cbprintf_complete.c

@@ -1781,9 +1781,9 @@ static void pack_conversion(struct package_state *pst)
 		break;
 	case SPECIFIER_FP:
 		if (length_mod == LENGTH_UPPER_L) {
-			PACK_VALUE(pst, value->dbl);
-		} else {
 			PACK_VALUE(pst, value->ldbl);
+		} else {
+			PACK_VALUE(pst, value->dbl);
 		}
 		break;
 	case SPECIFIER_INVALID:
@@ -1891,9 +1891,9 @@ static void pull_pkg_args(struct cbprintf_state *state)
 		break;
 	case SPECIFIER_FP:
 		if (length_mod == LENGTH_UPPER_L) {
-			UNPACK_VALUE(state, value->dbl);
-		} else {
 			UNPACK_VALUE(state, value->ldbl);
+		} else {
+			UNPACK_VALUE(state, value->dbl);
 		}
 		break;
 	case SPECIFIER_INVALID: