soc/intel/quark: Remove use of EDK-II macros and data types

Include assert.h to use coreboot's ASSERT macro.
Replace the use of UINT32 data type with uint32_t.
Replace the use of UINT8 data type with uint8_t.

TEST=Build and run on Galileo Gen2

Change-Id: I0bb7e43ea570f7b20355c5d05675ebf593942e83
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/15858
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/intel/quark/memmap.c

@@ -26,7 +26,7 @@ size_t mmap_region_granularity(void)
 
 void *cbmem_top(void)
 {
-	UINT32 top_of_memory;
+	uint32_t top_of_memory;
 
 	/* Determine the TSEG base */
 	top_of_memory = reg_host_bridge_unit_read(QNC_MSG_FSBIC_REG_HSMMC);