asus-grouper: fastboot max size is 650 (#1535)

aports/device/device-asus-grouper/APKBUILD

 pkgname=device-asus-grouper
 pkgver=1
-pkgrel=12
+pkgrel=13
 pkgdesc="Asus Nexus 7 2012 Wifi"
 url="https://github.com/postmarketOS"
 arch="noarch"
@@ -23,6 +23,6 @@ package() {
 		"$pkgdir"/etc/pointercal
 }
 
-sha512sums="ddbe83a0c7ff795a5ad968d6d0d50d0059ede754770658f8cbce1625813dcee47d790863136b9860926b3817bdf3958923db86b6ae832cd5530dfba6d936e572  deviceinfo
+sha512sums="c29494fb54ec23e73d0c31a83b38e65175c8d646fa5b6ddc94f66b1ee0b9e75e4373cc0d2dd12456340c0405457604fb0bfa79c29261f1305e1317cab2570b54  deviceinfo
 05f938784e8f30cdbe9923a5f3e34ce7c539060d3a621741206bc5ed02afd7cbf480b02fbe48a70968e7182f885ab9bfe57c4d1e7c6eefca54a6f7188d2849f2  90-android-touch-dev.rules
 ae9c145ffd745c83c73edbc486d3b9d22c6cbb8c57827b6f1ba87b6449a17a73a443be7daa0ab87de8df2dd9594e624364652c84ec1e7b536d37f52449a5a58c  pointercal"

aports/device/device-asus-grouper/deviceinfo

@@ -26,3 +26,4 @@ deviceinfo_flash_offset_ramdisk="0x01000000"
 deviceinfo_flash_offset_second="0x00f00000"
 deviceinfo_flash_offset_tags="0x00000100"
 deviceinfo_flash_pagesize="2048"
+deviceinfo_flash_fastboot_max_size="650"