[build] Prevent the use of reserved words in C23

GCC 15 defaults to C23, which reserves bool, true, and false as
keywords.  Avoid using these as parameter or variable names.

Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/drivers/infiniband/mlx_utils/src/public/mlx_pci_gw.c

@@ -32,7 +32,7 @@ mlx_status
 mlx_pci_gw_check_capability_id(
 							IN mlx_utils *utils,
 							IN mlx_uint8 cap_pointer,
-							OUT mlx_boolean *bool
+							OUT mlx_boolean *result
 							)
 {
 	mlx_status 		status = MLX_SUCCESS;
@@ -41,7 +41,7 @@ mlx_pci_gw_check_capability_id(
 	status = mlx_pci_read(utils, MlxPciWidthUint8, offset,
 				1, &id);
 	MLX_CHECK_STATUS(utils, status, read_err,"failed to read capability id");
-	*bool = ( id == PCI_GW_CAPABILITY_ID );
+	*result = ( id == PCI_GW_CAPABILITY_ID );
 read_err:
 	return status;
 }

src/drivers/net/igbvf/igbvf_osdep.h

@@ -35,8 +35,9 @@ FILE_LICENCE ( GPL2_ONLY );
 #ifndef _IGBVF_OSDEP_H_
 #define _IGBVF_OSDEP_H_
 
+#include <stdbool.h>
+
 #define u8         unsigned char
-#define bool       boolean_t
 #define dma_addr_t unsigned long
 #define __le16     uint16_t
 #define __le32     uint32_t
@@ -51,10 +52,6 @@ FILE_LICENCE ( GPL2_ONLY );
 #define ETH_FCS_LEN 4
 
 typedef int spinlock_t;
-typedef enum {
-    false = 0,
-    true = 1
-} boolean_t;
 
 #define usec_delay(x) udelay(x)
 #define msec_delay(x) mdelay(x)