treewide: convert bd_t to struct bd_info by coccinelle

The Linux coding style guide (Documentation/process/coding-style.rst)
clearly says:

  It's a **mistake** to use typedef for structures and pointers.

Besides, using typedef for structures is annoying when you try to make
headers self-contained.

Let's say you have the following function declaration in a header:

  void foo(bd_t *bd);

This is not self-contained since bd_t is not defined.

To tell the compiler what 'bd_t' is, you need to include <asm/u-boot.h>

  #include <asm/u-boot.h>
  void foo(bd_t *bd);

Then, the include direcective pulls in more bloat needlessly.

If you use 'struct bd_info' instead, it is enough to put a forward
declaration as follows:

  struct bd_info;
  void foo(struct bd_info *bd);

Right, typedef'ing bd_t is a mistake.

I used coccinelle to generate this commit.

The semantic patch that makes this change is as follows:

  <smpl>
  @@
  typedef bd_t;
  @@
  -bd_t
  +struct bd_info
  </smpl>

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
diff --git a/drivers/net/dc2114x.c b/drivers/net/dc2114x.c
index c55358e..0cb54e3 100644
--- a/drivers/net/dc2114x.c
+++ b/drivers/net/dc2114x.c
@@ -320,7 +320,7 @@
 	return 1;
 }
 
-static void update_srom(struct eth_device *dev, bd_t *bis)
+static void update_srom(struct eth_device *dev, struct bd_info *bis)
 {
 	static unsigned short eeprom[0x40] = {
 		0x140b, 0x6610, 0x0000, 0x0000,	/* 00 */
@@ -356,7 +356,7 @@
 }
 #endif /* UPDATE_SROM */
 
-static void send_setup_frame(struct eth_device *dev, bd_t *bis)
+static void send_setup_frame(struct eth_device *dev, struct bd_info *bis)
 {
 	char setup_frame[SETUP_FRAME_LEN];
 	char *pa = &setup_frame[0];
@@ -484,7 +484,7 @@
 	return length;
 }
 
-static int dc21x4x_init(struct eth_device *dev, bd_t *bis)
+static int dc21x4x_init(struct eth_device *dev, struct bd_info *bis)
 {
 	int i;
 	int devbusfn = (int)dev->priv;
@@ -547,7 +547,7 @@
 	pci_write_config_byte(devbusfn, PCI_CFDA_PSM, SLEEP);
 }
 
-static void read_hw_addr(struct eth_device *dev, bd_t *bis)
+static void read_hw_addr(struct eth_device *dev, struct bd_info *bis)
 {
 	u_short tmp, *p = (u_short *)(&dev->enetaddr[0]);
 	int i, j = 0;
@@ -573,7 +573,7 @@
 	{ }
 };
 
-int dc21x4x_initialize(bd_t *bis)
+int dc21x4x_initialize(struct bd_info *bis)
 {
 	struct eth_device *dev;
 	unsigned short status;