lib: sbi: fwft: return SBI_EINVAL rather than SBI_ERR_INVALID_PARAM

Error code returned by the ecall handles should use the defines from
sbi_ecall_interface.h rather than sbi_error.h.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>

Author: clementleger

lib/sbi/sbi_fwft.c

@@ -196,7 +196,7 @@ int sbi_fwft_set(enum sbi_fwft_feature_t feature, unsigned long value,
 		return ret;
 
 	if ((flags & ~SBI_FWFT_SET_FLAG_LOCK) != 0)
-		return SBI_ERR_INVALID_PARAM;
+		return SBI_EINVAL;
 
 	if (conf->flags & SBI_FWFT_SET_FLAG_LOCK)
 		return SBI_EDENIED;