pci: remove unneeded includes in public header file

The rte_pci.h file includes more header files than are actually needed,
which means that all users of it also include those headers. This patch
removes the unneeded headers - adding them elsewhere where other components
were requiring them but not including them directly.

Fixes: c752998b5e ("pci: introduce library and driver")
Cc: stable@dpdk.org

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>

drivers/bus/ifpga/rte_bus_ifpga.h

@@ -17,6 +17,7 @@ extern "C" {
 
 #include <rte_bus.h>
 #include <rte_pci.h>
+#include <rte_interrupts.h>
 #include <rte_spinlock.h>
 
 /** Name of Intel FPGA Bus */

drivers/common/mlx5/mlx5_common.h

@@ -8,6 +8,7 @@
 #include <stdio.h>
 
 #include <rte_pci.h>
+#include <rte_debug.h>
 #include <rte_atomic.h>
 #include <rte_log.h>
 #include <rte_kvargs.h>

lib/librte_pci/rte_pci.h

@@ -16,17 +16,11 @@
 extern "C" {
 #endif
 
-#include <stdio.h>
 #include <stdlib.h>
 #include <limits.h>
-#include <errno.h>
 #include <sys/queue.h>
-#include <stdint.h>
 #include <inttypes.h>
 
-#include <rte_debug.h>
-#include <rte_interrupts.h>
-
 /** Formatting string for PCI device identifier: Ex: 0000:00:01.0 */
 #define PCI_PRI_FMT "%.4" PRIx16 ":%.2" PRIx8 ":%.2" PRIx8 ".%" PRIx8
 #define PCI_PRI_STR_SIZE sizeof("XXXXXXXX:XX:XX.X")