Fix some issues that showed up as compiler warnings with mingw64

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

bootinfo.c

@@ -198,7 +198,7 @@ void print_boot_file_head(boot_file_head_t *hdr)
 
 void print_boot_dram_para(boot_dram_para_t *dram)
 {
-	pprintf(&dram->dram_baseaddr,	"DRAM base : %p\n", (void *)(long)dram->dram_baseaddr);
+	pprintf(&dram->dram_baseaddr,	"DRAM base : %p\n", (void *)(uintptr_t)dram->dram_baseaddr);
 	pprintf(&dram->dram_clk,	"DRAM clk  : %d\n", dram->dram_clk);
 	pprintf(&dram->dram_type,	"DRAM type : %d\n", dram->dram_type);
 	pprintf(&dram->dram_rank_num,	"DRAM rank : %d\n", dram->dram_rank_num);

fel.c

@@ -325,7 +325,7 @@ void hexdump(void *data, uint32_t offset, size_t size)
 	unsigned char *buf = data;
 	for (j = 0; j < size; j+=16) {
 		size_t i;
-		printf("%08lx: ",(long int)offset + j);
+		printf("%08zx: ", offset + j);
 		for (i = 0; i < 16; i++) {
 			if (j + i < size)
 				printf("%02x ", buf[j+i]);

nand-image-builder.c

@@ -257,7 +257,7 @@ static void encode_bch(struct bch_control *bch, const uint8_t *data,
 	}
 
 	/* process first unaligned data bytes */
-	m = ((unsigned long)data) & 3;
+	m = ((uintptr_t)data) & 3;
 	if (m) {
 		mlen = (len < (4-m)) ? len : 4-m;
 		encode_bch_unaligned(bch, data, mlen, bch->ecc_buf);