Update mpu region table due to increased non-cache ram

Additional RAM was required due to the additional number of volumes
supported from adding usb drive support.

src/Cache.cpp

@@ -238,15 +238,15 @@ void Cache::Init() noexcept
 			ARM_MPU_RBAR(4, IRAM_ADDR + 0x00010000),
 			ARM_MPU_RASR_EX(1u, ARM_MPU_AP_FULL, ARM_MPU_ACCESS_NORMAL(ARM_MPU_CACHEP_NOCACHE, ARM_MPU_CACHEP_NOCACHE, 1u), 0u, ARM_MPU_REGION_SIZE_32KB)
 		},
-		// Next 1kb RAM, read-write, shared, non-cacheable, execute disabled
+		// Next 2kb RAM, read-write, shared, non-cacheable, execute disabled
 		{
 			ARM_MPU_RBAR(5, IRAM_ADDR + 0x00018000),
-			ARM_MPU_RASR_EX(1u, ARM_MPU_AP_FULL, ARM_MPU_ACCESS_NORMAL(ARM_MPU_CACHEP_NOCACHE, ARM_MPU_CACHEP_NOCACHE, 1u), 0u, ARM_MPU_REGION_SIZE_1KB)
+			ARM_MPU_RASR_EX(1u, ARM_MPU_AP_FULL, ARM_MPU_ACCESS_NORMAL(ARM_MPU_CACHEP_NOCACHE, ARM_MPU_CACHEP_NOCACHE, 1u), 0u, ARM_MPU_REGION_SIZE_2KB)
 		},
 		// RAMFUNC memory. Read-only (the code has already been written to it), execution allowed. The initialised data memory follows, so it must be RW.
 		// 256 bytes is enough at present (check the linker memory map if adding more RAMFUNCs).
 		{
-			ARM_MPU_RBAR(6, IRAM_ADDR + 0x00018400),
+			ARM_MPU_RBAR(6, IRAM_ADDR + 0x00018800),
 			ARM_MPU_RASR_EX(0u, ARM_MPU_AP_FULL, ARM_MPU_ACCESS_NORMAL(CACHE_MODE, CACHE_MODE, 0u), 0u, ARM_MPU_REGION_SIZE_256B)
 		},
 		// Final 128kb RAM, read-write, cacheable, execute disabled