arch/imxrt: fix typos, SDRAM->SRAM
There are three parts of heap allocation, ocram, sdram and sram.
Last part is sram, not sdram.
But it is covered with SDRAM config and SDRAM definition.
This commit fixs these typos.
#define REGION1_RAM_START (CONFIG_IMXRT_SDRAM_START + CONFIG_IMXRT_SDRAM_HEAPOFFSET)
#define REGION1_RAM_SIZE (CONFIG_IMXRT_SDRAM_SIZE - CONFIG_IMXRT_SDRAM_HEAPOFFSET)
#define IMXRT_SDRAM_ASSIGNED 1
-#elif defined(CONFIG_IMXRT_SDRAM_HEAP) && !defined(IMXRT_SDRAM_ASSIGNED)
+#elif defined(CONFIG_IMXRT_SRAM_HEAP) && !defined(IMXRT_SRAM_ASSIGNED)
#define REGION1_RAM_START (CONFIG_IMXRT_SRAM_START + CONFIG_IMXRT_SRAM_HEAPOFFSET)
#define REGION1_RAM_SIZE (CONFIG_IMXRT_SRAM_SIZE - CONFIG_IMXRT_SRAM_HEAPOFFSET)
-#define IMXRT_SDRAM_ASSIGNED 1
+#define IMXRT_SRAM_ASSIGNED 1
#else
#warning CONFIG_MM_REGIONS > 1 but no available memory region
#endif
#define REGION2_RAM_START (CONFIG_IMXRT_SDRAM_START + CONFIG_IMXRT_SDRAM_HEAPOFFSET)
#define REGION2_RAM_SIZE (CONFIG_IMXRT_SDRAM_SIZE - CONFIG_IMXRT_SDRAM_HEAPOFFSET)
#define IMXRT_SDRAM_ASSIGNED 1
-#elif defined(CONFIG_IMXRT_SDRAM_HEAP) && !defined(IMXRT_SDRAM_ASSIGNED)
+#elif defined(CONFIG_IMXRT_SRAM_HEAP) && !defined(IMXRT_SRAM_ASSIGNED)
#define REGION2_RAM_START (CONFIG_IMXRT_SRAM_START + CONFIG_IMXRT_SRAM_HEAPOFFSET)
#define REGION2_RAM_SIZE (CONFIG_IMXRT_SRAM_SIZE - CONFIG_IMXRT_SRAM_HEAPOFFSET)
-#define IMXRT_SDRAM_ASSIGNED 1
+#define IMXRT_SRAM_ASSIGNED 1
#else
#warning CONFIG_MM_REGIONS > 2 but no available memory region
#endif
