git am XXX.patch 文件内容解析

打补丁的两种方式：

1.patch XXX.patch

2.git am XXX.patch

例如：

diff --git a/drivers/crypto/se/ce.c b/drivers/crypto/se/ce.c
index e6f68286d4ce6..de1bcb46fbe6b 100644
--- a/drivers/crypto/se/ce.c
+++ b/drivers/crypto/se/ce.c
@@ -318,6 +318,7 @@ void invalidate_cache_block(block_t *data, uint32_t ce_id)
 
 void clean_cache(addr_t start, uint32_t size)
 {
+	__flush_dcache_area((void *)start, size);
 	// arch_clean_cache_range(start, size);
 }