soc/tegra: bpmp: Use ENODEV instead of ENOTSUPP

ENOTSUPP is not a SUSV4 error code and checkpatch will warn about it.
It is also not very descriptive in the context of BPMP, so use the
ENODEV error code instead. For the stub implementations this is a more
accurate description of what the failure is.

Signed-off-by: Thierry Reding <treding@nvidia.com>

Author: thierryreding

include/soc/tegra/bpmp.h

@@ -144,7 +144,7 @@ bool tegra_bpmp_mrq_is_supported(struct tegra_bpmp *bpmp, unsigned int mrq);
 #else
 static inline struct tegra_bpmp *tegra_bpmp_get(struct device *dev)
 {
-	return ERR_PTR(-ENOTSUPP);
+	return ERR_PTR(-ENODEV);
 }
 
 static inline struct tegra_bpmp *tegra_bpmp_get_with_id(struct device *dev,
@@ -156,16 +156,19 @@ static inline struct tegra_bpmp *tegra_bpmp_get_with_id(struct device *dev,
 static inline void tegra_bpmp_put(struct tegra_bpmp *bpmp)
 {
 }
+
 static inline int tegra_bpmp_transfer_atomic(struct tegra_bpmp *bpmp,
 					     struct tegra_bpmp_message *msg)
 {
-	return -ENOTSUPP;
+	return -ENODEV;
 }
+
 static inline int tegra_bpmp_transfer(struct tegra_bpmp *bpmp,
 				      struct tegra_bpmp_message *msg)
 {
-	return -ENOTSUPP;
+	return -ENODEV;
 }
+
 static inline void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel,
 					 int code, const void *data,
 					 size_t size)
@@ -177,8 +180,9 @@ static inline int tegra_bpmp_request_mrq(struct tegra_bpmp *bpmp,
 					 tegra_bpmp_mrq_handler_t handler,
 					 void *data)
 {
-	return -ENOTSUPP;
+	return -ENODEV;
 }
+
 static inline void tegra_bpmp_free_mrq(struct tegra_bpmp *bpmp,
 				       unsigned int mrq, void *data)
 {