libeth, libie: clean symbol exports up a little

Change EXPORT_SYMBOL_NS_GPL(x, "LIBETH") to EXPORT_SYMBOL_GPL(x) +
DEFAULT_SYMBOL_NAMESPACE "LIBETH" to make the code more compact.
Also, explicitly include <linux/export.h> to satisfy new
requirements from scripts/misc-check.

Signed-off-by: Alexander Lobakin <[e-mail]>
Reviewed-by: Aleksandr Loktionov <[e-mail]>
Signed-off-by: Tony Nguyen <[e-mail]>

drivers/net/ethernet/intel/libeth/rx.c

···
 // SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2024 Intel Corporation */
+/* Copyright (C) 2024-2025 Intel Corporation */
+
+#define DEFAULT_SYMBOL_NAMESPACE	"LIBETH"
+
+#include <linux/export.h>
 
 #include <net/libeth/rx.h>
 
···
 
 	return -ENOMEM;
 }
-EXPORT_SYMBOL_NS_GPL(libeth_rx_fq_create, "LIBETH");
+EXPORT_SYMBOL_GPL(libeth_rx_fq_create);
 
 /**
  * libeth_rx_fq_destroy - destroy a &page_pool created by libeth
···
 	kvfree(fq->fqes);
 	page_pool_destroy(fq->pp);
 }
-EXPORT_SYMBOL_NS_GPL(libeth_rx_fq_destroy, "LIBETH");
+EXPORT_SYMBOL_GPL(libeth_rx_fq_destroy);
 
 /**
  * libeth_rx_recycle_slow - recycle a libeth page from the NAPI context
···
 {
 	page_pool_recycle_direct(page->pp, page);
 }
-EXPORT_SYMBOL_NS_GPL(libeth_rx_recycle_slow, "LIBETH");
+EXPORT_SYMBOL_GPL(libeth_rx_recycle_slow);
 
 /* Converting abstract packet type numbers into a software structure with
  * the packet parameters to do O(1) lookup on Rx.
···
 	pt->hash_type |= libeth_rx_pt_xdp_iprot[pt->inner_prot];
 	pt->hash_type |= libeth_rx_pt_xdp_pl[pt->payload_layer];
 }
-EXPORT_SYMBOL_NS_GPL(libeth_rx_pt_gen_hash_type, "LIBETH");
+EXPORT_SYMBOL_GPL(libeth_rx_pt_gen_hash_type);
 
 /* Module */
 

drivers/net/ethernet/intel/libie/rx.c

···
 // SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2024 Intel Corporation */
+/* Copyright (C) 2024-2025 Intel Corporation */
 
+#define DEFAULT_SYMBOL_NAMESPACE	"LIBIE"
+
+#include <linux/export.h>
 #include <linux/net/intel/libie/rx.h>
 
 /* O(1) converting i40e/ice/iavf's 8/10-bit hardware packet type to a parsed
···
 	LIBIE_RX_PT_IP(4),
 	LIBIE_RX_PT_IP(6),
 };
-EXPORT_SYMBOL_NS_GPL(libie_rx_pt_lut, "LIBIE");
+EXPORT_SYMBOL_GPL(libie_rx_pt_lut);
 
 MODULE_DESCRIPTION("Intel(R) Ethernet common library");
 MODULE_IMPORT_NS("LIBETH");